MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It contains a link farm pointing to compromised WordPress upload storage and other disposable hosting, suggesting an attempt to distribute further malicious content. The presence of external URIs and link farms indicates a likely phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9963
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 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 https://istanajpdua.com/contents//files/povepofurolulafuwe.pdf In PDF document text
- http://agendatourvietnam.com/hinhanh/file/jitujoz.pdfIn PDF document text
- https://mithermomix.com.mx/wp-content/plugins/super-forms/uploads/php/files/53619c7221442fa786a1873011f59e29/60365781489.pdfIn PDF document text
- http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b9922b6a2e6---fibagojulokitovakefav.pdfIn PDF document text
- http://inlikeflintlogistics.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b40fda6280e---mubedokajugoveborizexa.pdfIn PDF document text
- https://gdr.co.il/wp-content/plugins/super-forms/uploads/php/files/45107a60346f74cca87603373041cfc6/kerajulik.pdfIn PDF document text
- https://freedomhypnosisnyc.com/wp-content/plugins/super-forms/uploads/php/files/64c436dd66519f57e82c505e768ce3ec/jabuvukoxetev.pdfIn PDF document text
- https://www.verpoort-bouw.be/wp-content/plugins/formcraft/file-upload/server/content/files/160d8751d952d0---tojewa.pdfIn PDF document text
- http://ttccid.com/userfiles/file/37492982377.pdfIn PDF document text
- http://cropscipublisher.com/files/upfiles/file/fawokajunelotujetitokivir.pdfIn PDF document text
- http://3duct.com/wp-content/plugins/formcraft/file-upload/server/content/files/160708cb574c45---gonojusijamipevet.pdfIn PDF document text
- https://formapolis.it/wp-content/plugins/super-forms/uploads/php/files/2eb74ed4790a9e3f43eebf5731f37651/wozowupesubagovuwoxorez.pdfIn PDF document text
- http://coffee33.ru/archive/file/motixujudadijulinolo.pdfIn PDF document text
- http://banhangcongnghe.com/upload/FCK/file/77364093880.pdfIn PDF document text
- https://www.penyembuhanholistikreiki.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b87a65c2b12---xatabam.pdfIn PDF document text
- http://totalfinance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16078a62b1efb3---zipek.pdfIn PDF document text
- http://www.circoloaletrium.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609a1f3e92cb0---9851597599.pdfIn PDF document text
- http://thebestpearsonfamily.com/clients/e/e6/e6a49a9b6fa3fb0349b1957bd02e8b5b/File/zevamazibawasudajata.pdfIn PDF document text
- http://studiopol.com/userfiles/files/mozuji.pdfIn PDF document text
- http://nakatka.com/files/file/80881607387.pdfIn PDF document text
- https://aradovan.com/userfiles/file/53905536001.pdfIn PDF document text
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/815h7kelrdgtituseja9jqlqjj/44943813814.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=what+states+have+conjugal+visits+in+prisonPDF 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_off0001a20b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1A20B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001ba1d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1BA1D | 17832 bytes |
SHA-256: 1397de298f14ddbb6dfb48e0e5a773ba10a8ab946e4ce86c91577a17b39b3e40 |
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font_02_sfnt_off0001e939.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1E939 | 10940 bytes |
SHA-256: a4e2e4b7a6822f732bf89372cc1a60fba8640fe4d345a0ffa1a3fd89a308e63f |
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