MALICIOUS
176
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 and a callback phishing lure, prompting users to call a number for issues like billing or refunds. While no scripts were directly extracted, the presence of embedded URLs and the nature of the heuristics suggest a phishing attempt designed to extract information or money through social engineering.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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 http://architettotamborra.eu/userfiles/files/jusavitikabawasowezub.pdf In PDF document text
- https://amrapalispot.com/userfiles/file/jisitafigerel.pdfIn PDF document text
- https://yukkumpulgroup2.com/contents/files/91030031669.pdfIn PDF document text
- http://sriraghavendratemple.com/ckfinder/userfiles/files/77856105724.pdfIn PDF document text
- https://beaumont-residence.com/wp-content/plugins/super-forms/uploads/php/files/p8v4unlvqo47coofiojhdu4l95/44777926832.pdfIn PDF document text
- http://loadcell.vn/Images_upload/files/38666497631.pdfIn PDF document text
- http://zapatosperezcabrera.com/ckfinder/userfiles/files/renefuwo.pdfIn PDF document text
- http://jobsandhi.com/uploaded_files/userfiles/files/12041153408.pdfIn PDF document text
- http://malifer.hu/upload/file/bevubibojemizuwulite.pdfIn PDF document text
- https://pfhotel.gr/ckfinder/userfiles/files/40555174244.pdfIn PDF document text
- http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/62ijsfrq58811egtgvpb9gn346/fafisosozuzazakiveku.pdfIn PDF document text
- http://importfoodfair.com/userfiles/image/2021/09/file/20149656280.pdfIn PDF document text
- http://unternehmensberatung-hegenbarth.de/userfiles/file/96102649795.pdfIn PDF document text
- http://vevo.keresztessyoptika.hu/elemek/file/48404092148.pdfIn PDF document text
- https://dobski.pl/userfiles/file/sovonowomag.pdfIn PDF document text
- http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b0d3dc488a---37391211463.pdfIn PDF document text
- https://open-call.fr/uploaded/files/zujeke.pdfIn PDF document text
- https://www.hospedeagora.com.br/wp-content/plugins/super-forms/uploads/php/files/8u2rpod9nmp5qj0e79jb847gek/48107442419.pdfIn PDF document text
- https://stewsites.com/wp-content/plugins/super-forms/uploads/php/files/3e6d95792182d1882e9c094e8431a613/xaxojuwojadozujonipobes.pdfIn PDF document text
- https://independentmusicleague.com/wp-content/plugins/super-forms/uploads/php/files/3aaa63e1d66cc7b61f4630f77f875c22/lokesavakor.pdfIn PDF document text
- http://studioingtassinari.eu/userfiles/files/vuduj.pdfIn PDF document text
- http://gldbirdgel.com/user_img/files/86745373110.pdfIn PDF document text
- http://spbmedaks.ru/sites/default/files/uploads/41347467428.pdfIn PDF document text
- http://lynhuagiasi.com/Images_upload/files/lajatuvumidamuzafolulox.pdfIn PDF document text
- https://picinterior.com/ckfinder/userfiles/files/jenexexaze.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=how+to+make+button+transparent+in+androidPDF 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_off0000b138.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB138 | 15748 bytes |
SHA-256: a1cf4130e04e8a8345c639b053d975c97d395afc36a725be682fb14c36b45654 |
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font_01_sfnt_off0000d906.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD906 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f11d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF11D | 10916 bytes |
SHA-256: 22a43efda84b2fe66959ba0092e185e397e77384d41baeb20988778800b09317 |
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