MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, and exhibits characteristics of a password-protected archive lure. It contains numerous links to potentially compromised WordPress upload directories and disposable hosting, suggesting it is part of a link farm designed to distribute malicious content. The lack of readable document body text prevents a more specific analysis of the lure's content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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://simonide.org/userfiles/file/2790401073.pdf In PDF document text
- http://thefutureofgolf.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160a27cf4a9810---xulupe.pdfIn PDF document text
- https://duproject.com/uploadEditor/files/xiketexipotitezosizi.pdfIn PDF document text
- https://www.crossfitparamaribo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7dbfc3f870---zesenifigufufuzaz.pdfIn PDF document text
- http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098606b34562---98071355834.pdfIn PDF document text
- https://www.peeryhotel.com/wp-content/plugins/super-forms/uploads/php/files/c540f95d276a44a93bd49248713bf02c/74209429828.pdfIn PDF document text
- http://scro.ru/pic/file/76937175447.pdfIn PDF document text
- http://takeacode.eu/user/d41d8cd98f00b204e9800998ecf8427e/file/46894823968.pdfIn PDF document text
- https://www.officinadelgustoroma.com/wp-content/plugins/super-forms/uploads/php/files/c86ac797d06434d58ed8a165d3fb0f00/fifaponovopefow.pdfIn PDF document text
- https://foulardfotografando.it/file/futinib.pdfIn PDF document text
- https://earthideasawnings.com/wp-content/plugins/formcraft/file-upload/server/content/files/160999fd0db965---29791232196.pdfIn PDF document text
- http://www.afamaresme.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609bcffdaf3c4---janagogulipabas.pdfIn PDF document text
- http://lichnyiybrand.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1609464681067a---40387042161.pdfIn PDF document text
- https://utilitydiscount.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609bd43f6cc2e---pitode.pdfIn PDF document text
- http://bergfin.se/wp-content/plugins/formcraft/file-upload/server/content/files/160b1e3a8c989d---sobukobimipag.pdfIn PDF document text
- https://nguyenhungstone.com/uploads/image/files/10326221410.pdfIn PDF document text
- https://rosemonttherapy.health/wp-content/plugins/super-forms/uploads/php/files/kchah7cq6osv31kkkhcb4jkv8v/75109335325.pdfIn PDF document text
- http://gyobel.it/public/file/fosom.pdfIn PDF document text
- https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/7nv90fsq050831n8v2i7tmb43b/rubiniwibavuvavuka.pdfIn PDF document text
- https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a55f9e6786a---tazorobovazi.pdfIn PDF document text
- https://www.infrascale.com/wp-content/plugins/super-forms/uploads/php/files/d48600ee9483f1f35e288e0cc5681067/34277812779.pdfIn PDF document text
- http://ngpsusa.com/wp-content/plugins/super-forms/uploads/php/files/f8nd99gms07f218l2dec3cu9pr/79636609037.pdfIn PDF document text
- https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/160e018ab35c80---tokimenanebowobokexiri.pdfIn PDF document text
- https://cengilli.com/icerik_images/file/27035811501.pdfIn PDF document text
- http://rszm88.com/upfolder/e/files/20210613191026.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=all+four+sided+figures+are+calledPDF 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_off0000c610.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC610 | 10528 bytes |
SHA-256: 2657cbf4c41a2263b24901bbdbec9ad90e835c7886e2a7d6d32c7fb5d30b0471 |
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font_01_sfnt_off0000ddf9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDF9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f60b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF60B | 15632 bytes |
SHA-256: d6d2c6ac1215ea58dbd172353bd10a472b67158a68a3ff68ec9233bb4c05d8e6 |
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