MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains numerous links, many pointing to compromised WordPress sites, suggesting a link farm or phishing lure. While no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a phishing or malicious redirection attempt, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9819
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://rmissio.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1609c9c3e0f9d8---ronijurebevexitipozuna.pdf
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160aa0a0f37e13---morufajogajoxebujez.pdf
- http://festivaldeliteraturadepereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a649966c04---66374527937.pdf
- https://lightupalife.org.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160ecdca18e960---69516157924.pdf
- https://nada70.org/userfiles/file/dowuzojagu.pdf
- https://travels-ukraine.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f008965ae9---sajivasuworu.pdf
- https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/160bffd2841065---vemuwofiveloxavulab.pdf
- https://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a69bbf05ff0---fisazeluku.pdf
- https://www.lightingdynamics.com/wp-content/plugins/super-forms/uploads/php/files/88cd8e0f58a2bc4460073cc222469a81/zegune.pdf
- http://windcampus.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b15ee90abfd---98934487111.pdf
- https://www.hadlowsecurityshutters.com/wp-content/plugins/super-forms/uploads/php/files/7e16030c45dbbfcf6d6415a1ef80e5f3/68797611265.pdf
- http://indianspringhomes.com/userfiles/files/35280428056.pdf
- https://superpart.com/files/fejokujafa.pdf
- http://artmetinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ddd8ba17e9d---sesorenonitifop.pdf
- http://xn--b1akwe.xn--p1ai/userfiles/file/93370677898.pdf
- http://spc1991.com/ckfinder/userfiles/files/zifir.pdf
- https://www.disbel.es//ckfinder/userfiles/files/20009563335.pdf
- http://guoyangmoju.com/userfiles/files/punelovabosuxufulatiguzum.pdf
- https://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076e9640c784---mumozidaliwinor.pdf
- https://howardsteeves.com/wp-content/plugins/super-forms/uploads/php/files/9e5c44b3d462b43c4c5e48d7a75ef047/fozalox.pdf
- https://yuktiedu.com/wp-content/plugins/super-forms/uploads/php/files/3f0bdf75f3cb6206b9d85dfa4015945d/5147049589.pdf
- https://bowenpainter.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ddfc9144176---vigepepawasagagikojod.pdf
- https://www.shopveriamici.com/wp-content/plugins/super-forms/uploads/php/files/o7e0q8066r3ms4oqmm4qdaauec/43276336174.pdf
- https://amagi.la/wp-content/plugins/formcraft/file-upload/server/content/files/1608c34690f5a5---80705680689.pdf
- https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/42b4d58203a61df4d4dcce9d4a438428/kixitiredibenaz.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=roblox+codes+for+clothes+boy+2019
- http://lovewhereyoulv.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/f5e5039376b433420c171efb56e9324d/dopavibesixepek.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00014ed2.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14ED2 | 16792 bytes |
font_01_sfnt_off000166e9.bind04dace74cd7cda999a9444cdda8b589fde55bc4807e0fb73e1f0ccc9e31bdcc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x166E9 | 11080 bytes |
font_02_sfnt_off00018106.bin8a0308bf86b91667abee91abbc1ad2b1e4da000aeabcd28674ad90a6bca59d30 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18106 | 17952 bytes |
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