MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, with numerous URLs pointing to compromised WordPress sites and disposable hosting. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the presence of external links strongly suggests a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
Heuristics 6
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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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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://drafthe.ru/uplcv?utm_term=questions+to+ask+during+pharmacy+residency+interview PDF link annotation
- https://wickedcheesy.com/images/file/wikiv.pdfIn PDF document text
- http://www.caribbeandentist.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2bbd312c98---gezeguruzeseviwirewen.pdfIn PDF document text
- https://thewentworthco.com/wp-content/plugins/super-forms/uploads/php/files/e474pi5mehl1pask5seshlphh3/97767064923.pdfIn PDF document text
- https://palcev.ru/userfiles/file/71036549815.pdfIn PDF document text
- http://www.shipsupply.co.mz/wp-content/plugins/formcraft/file-upload/server/content/files/1607bb251ee82c---vugodujagamimidax.pdfIn PDF document text
- http://oio.cn/uploadfiles/files/47135587826.pdfIn PDF document text
- https://www.themeshcowork.com/wp-content/plugins/super-forms/uploads/php/files/6e47a4f700dd9f0a6ef7496436e99c4c/20494874625.pdfIn PDF document text
- http://bjoybrands.com/wp-content/plugins/formcraft/file-upload/server/content/files/160781366cc995---burefetivirux.pdfIn PDF document text
- http://timeyear-v.com/userfiles/file/12398551172.pdfIn PDF document text
- https://avenirpourtous.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16079ce1287a32---67009882726.pdfIn PDF document text
- https://minutesnap.com/wp-content/plugins/super-forms/uploads/php/files/3273ba8ddbc9773e0068877d2d7f5d3e/vigiwopuxavop.pdfIn PDF document text
- https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/em7gsc7ao4gr9ghl0ok4q2oar4/95231861528.pdfIn PDF document text
- http://exactblue.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075bdaa1dc9a---silikalosimugumu.pdfIn PDF document text
- https://gpagroup.in/wp-content/plugins/formcraft/file-upload/server/content/files/1607de660d5ed8---rigiwuruduwol.pdfIn PDF document text
- http://stacjaregeneracja.pl/userfiles/file/17753700913.pdfIn PDF document text
- http://goref.ru/files/file/zuluvavumirejumivor.pdfIn PDF document text
- https://www.azembay.com/wp-content/plugins/super-forms/uploads/php/files/scneo2bd29oi58s28a925g3a1d/29350528848.pdfIn PDF document text
- http://bitite.lv/media/txt/122/file/kusipiw.pdfIn PDF document text
- http://www.ebsjosepirosamaria.com/wp-content/plugins/formcraft/file-upload/server/content/files/160906f33f26bd---bizukebuvugob.pdfIn PDF document text
- http://cokhiminhhien.com/media/ftp/file/99833436389.pdfIn PDF document text
- http://churchliferesources.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609bde40644b4---dutujomovipume.pdfIn PDF document text
- https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/2f9b07d2a812e08e96c79885f51cfe70/gugufakiwadusokedef.pdfIn PDF document text
- http://zjpjxt.cn/upload/uploadfile/file/75401068624.pdfIn PDF document text
- https://genesisbehaviorcenter.com/wp-content/plugins/super-forms/uploads/php/files/6f3e599688f457937a0784129f7e39ac/paxenobewolur.pdfIn PDF document text
- 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_off0000c374.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC374 | 11432 bytes |
SHA-256: 494854017c96c15ea90201fd75098bdd5ef1ae98294d8b4516f3455b9d3216eb |
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font_01_sfnt_off0000de43.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE43 | 15524 bytes |
SHA-256: 6a9664940718eb1195f8c9ea1c588af0d9fc10e6a6477788eba9f5046d834aa6 |
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font_02_sfnt_off000105eb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105EB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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