MALICIOUS
216
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains multiple heuristics indicating it is part of a link farm designed to host malicious content, with several URLs pointing to compromised WordPress sites. The 'SE_CALLBACK_LURE' heuristic strongly suggests a callback phishing or tech-support scam pretext, aiming to trick users into initiating contact. While no scripts were directly extracted, the overall structure and URL patterns are indicative of a phishing campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9888
Heuristics 8
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL http://www.onekaddy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608497f65a8bf---wusabutebi.pdf In PDF document text
- http://lbs.ac.at/wp-content/plugins/super-forms/uploads/php/files/i24if92rg870tgpkj01pc2p42t/xopivosofuju.pdfIn PDF document text
- http://www.northeastmarquees.com/wp-content/plugins/super-forms/uploads/php/files/0afed7e380b544e9eda03ceda57fda05/bujilajore.pdfIn PDF document text
- http://kennyre.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b85ba2734ab---murenerixumukevizipafemon.pdfIn PDF document text
- https://bloc-immo.com/images/vigob.pdfIn PDF document text
- https://shining4u.com/wp-content/plugins/super-forms/uploads/php/files/7173221a5967d05390c5098c337251d1/49907735009.pdfIn PDF document text
- http://sanders-scottfamily.com/clients/26926/File/96785570347.pdfIn PDF document text
- https://fonixkoncert.hu/upload/file/13057415202.pdfIn PDF document text
- https://aviseco.ro/userfiles/file/4934839561.pdfIn PDF document text
- https://www.helpfulhunks.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160d5d09d19c9d---91100212373.pdfIn PDF document text
- http://atut-biuro.com/uploaded/file/xofiriwod.pdfIn PDF document text
- http://ackerviewguesthouse.com/userfiles/file/zisuvez.pdfIn PDF document text
- http://sbkf.org/files/files/mosalirezibejudo.pdfIn PDF document text
- https://saraelv.no/wp-content/plugins/formcraft/file-upload/server/content/files/160773264dd75f---milabepefupodimotemab.pdfIn PDF document text
- https://www.tri-or.fr/tri-or/ckfinder/userfilesfiles/63191157967.pdfIn PDF document text
- https://ms02bet.net/contents//files/99411111227.pdfIn PDF document text
- https://luxmarketing.agency/wp-content/plugins/super-forms/uploads/php/files/ajieaivpb9q3oib6dfe6fmsirv/228925835.pdfIn PDF document text
- https://askopenko.com/wp-content/plugins/super-forms/uploads/php/files/1dae556c3162dbb3992dba45d15f14c3/37842400578.pdfIn PDF document text
- https://itacademyindia.com/ckfinder/userfiles/files/sulujo.pdfIn PDF document text
- http://myucmas.com/userfiles/file/xesuvipipawebujekijulal.pdfIn PDF document text
- http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/65d3tnt9r4s58k71ksks0v1iv0/jusaxibatanesekevijapo.pdfIn PDF document text
- https://sportli.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/1609b70705d4d6---fugarenanobekenapadegeb.pdfIn PDF document text
- https://bombapin.com/calisma2/files/uploads/14126840336.pdfIn PDF document text
- https://braviengenharia.com.br/wp-content/plugins/super-forms/uploads/php/files/kgh91227hneo6ggv16oag94cj9/21913395441.pdfIn PDF document text
- https://kamber.dk/wp-content/plugins/super-forms/uploads/php/files/3dd444c97d4380a3ca59792ef3df1cd4/pewininimokosofexik.pdfIn PDF document text
- http://nhatrangpalace.net/app/webroot/upload/files/xupogugemomibufo.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=melanie+klein+biography+pdfPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001141c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1141C | 10852 bytes |
SHA-256: 612790a1fcf6640f4076ed2efef45c396c6b9908a01a65999dabc80953d4df32 |
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font_01_sfnt_off00012c9c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C9C | 19776 bytes |
SHA-256: 2b1408a25416850e77cf2b4f6d2a856137ea458c9a110f0bc1d8c97f26343d76 |
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font_02_sfnt_off0001600e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1600E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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