MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains multiple heuristic firings indicating malicious intent, including random and compromised CMS upload links. The ML classifier and ClamAV detection strongly suggest this is a malicious PDF, likely used as a lure to direct users to external sites. No scripts were extracted, but the presence of numerous external links points to a phishing or malware distribution attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
Heuristics 7
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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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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://eastcoastbiker.de/sites/default/files/file/vodimetavoxugaf.pdf In PDF document text
- https://propertiproperty.com/Uploads/userfiles/files/15423780834.pdfIn PDF document text
- http://www.aceitunasdelguadalhorce.es/ckfinder/userfiles/files/parol.pdfIn PDF document text
- https://cahayaapi1.com/contents//files/26605068281.pdfIn PDF document text
- http://www.telsercom.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae466fae0b1---bebukulopix.pdfIn PDF document text
- http://geose.ru/userfiles/file/59499687147.pdfIn PDF document text
- http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607596ff1eb53---latuduvexufip.pdfIn PDF document text
- http://risme.vn/files/natetorinon.pdfIn PDF document text
- https://wecareprogram.org/images/file/kanakikuwodidenekosumu.pdfIn PDF document text
- http://liburnia.pl/userfiles/file/morewibiwuwosob.pdfIn PDF document text
- http://gpszone.hu/upload/userfiles/file/tibuleresidotubew.pdfIn PDF document text
- https://asiastudy.in/ckfinder/userfiles/files/kevepofixolikoduxajerewo.pdfIn PDF document text
- http://www.liveartsaskatchewan.com/wp-content/plugins/formcraft/file-upload/server/content/files/160929a7c63cb6---wapakavelibegosono.pdfIn PDF document text
- http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/16091be8e6f369---gixizarudenigagu.pdfIn PDF document text
- https://mavibusiness.it/file/75530681209.pdfIn PDF document text
- http://majesticcaliberenglishlabradors.com/clients/a/a7/a77fae3751d16767b5fd1969bdae34dd/File/juzixunezajunakoma.pdfIn PDF document text
- https://psychotherapie-dr-albrecht.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608b565981601---wenoxoriliwemeloriba.pdfIn PDF document text
- https://mamo-tato.ro/userfiles/file/xubivojugit.pdfIn PDF document text
- http://k-souz.com/userfiles/file/75900353751.pdfIn PDF document text
- https://thewentworthco.com/wp-content/plugins/super-forms/uploads/php/files/fq51qeb5oog5b95237j6tgv6bm/pimulokesurabirazevipozo.pdfIn PDF document text
- http://baodieptailor.com/uploads/2021-06-18/images/files/teridavanolagusagaduwu.pdfIn PDF document text
- https://shining4u.com/wp-content/plugins/super-forms/uploads/php/files/4c4a16c13c0b3bf7f732af018dc81c13/99577656667.pdfIn PDF document text
- https://sankaibearing.com/userfiles/files/burukisudiranulopeb.pdfIn PDF document text
- http://annabarons.lv/files/files/sanav.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=the+expendables+2+full+movie+in+hindi+download+mp4moviezPDF 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_off0000ea72.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA72 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010284.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10284 | 17604 bytes |
SHA-256: ba69f899d9d7c184d8f58f32d8ae94bb811c13acbef5d958980e410f0af9eda6 |
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font_02_sfnt_off00013097.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13097 | 11280 bytes |
SHA-256: 214aa4f58d59dc95cbca6213503f73bfa677cab68390779856c77126a2827ac7 |
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