MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and ML classifiers indicate a high probability of maliciousness. Numerous heuristics indicate the PDF functions as a link farm, directing users to various external websites, many of which are hosted on compromised WordPress installations or disposable domains. The embedded URLs suggest a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
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://irlanc.ru/uplcv?utm_term=tickets+to+ride+first+journey PDF link annotation
- https://trucraftsmanship.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083797f9c32f---97083533326.pdfIn PDF document text
- https://rubyyadav.com/nbloom/fckuploads/file/zuleg.pdfIn PDF document text
- http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/6irvj3tub4qr4d1oqgsqgfoqd0/72192579014.pdfIn PDF document text
- https://yuss.it/file/93817274524.pdfIn PDF document text
- http://barrospizzadb.com/uploads/files/92458591178.pdfIn PDF document text
- https://securitydm.rs/slicice/file/xigap.pdfIn PDF document text
- http://vetcarefoundation.org/userfiles/file/80005638546.pdfIn PDF document text
- http://qzgj.cn/upload/file/kuvurozukegapanemuxogu.pdfIn PDF document text
- https://militarynetwork.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608d4a08c0117---24376165344.pdfIn PDF document text
- http://www.atrium-tuiles.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a33e09ee2da---logetowemugogisimuware.pdfIn PDF document text
- http://sarljarry.fr/userfiles/file/57242953481.pdfIn PDF document text
- http://conwaychristian.org/wp-content/plugins/formcraft/file-upload/server/content/files/161032f85e8de3---19214528537.pdfIn PDF document text
- https://www.idahomedia.com/wp-content/plugins/super-forms/uploads/php/files/c54e4497acc273915592c1680b820233/6613011901.pdfIn PDF document text
- http://hud101.vn/webroot/img/posts/files/solexekazaxikagujidu.pdfIn PDF document text
- https://miet.hu/kepek/12272398199.pdfIn PDF document text
- http://dgjst.com/upfile/file/mizamakonanepexen.pdfIn PDF document text
- https://webmodels.studio/wp-content/plugins/formcraft/file-upload/server/content/files/1608100760594b---vibopotitinolunadidub.pdfIn PDF document text
- https://dineflon.com//files/kedabefawusipuluj.pdfIn PDF document text
- http://umffz21.ru/admin/ckfinder/userfiles/files/xunetaguselotiju.pdfIn PDF document text
- http://normel.org/files/upload/file/85890496708.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_off0000eeb9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEB9 | 10660 bytes |
SHA-256: fd33c2be86566f3276851d6381a6aa444102df351597d363071dfc4f430d0d15 |
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font_01_sfnt_off00010754.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10754 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011f66.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F66 | 17804 bytes |
SHA-256: 3906153d559a6845e1fc4f205f78e922337b3b446838397c6e30500136aac974 |
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