MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains numerous links, many pointing to compromised WordPress upload directories, suggesting a link farm designed to distribute malware or lead to phishing sites. The presence of embedded URLs and the nature of the heuristics strongly suggest this document is part of a phishing campaign, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9604
Heuristics 5
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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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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://allytemp.ru/uplcv?utm_term=streamlined+domestic+offshore PDF link annotation
- http://amtusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8dc140ea50---5380039822.pdfIn PDF document text
- https://www.helpfulhunks.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160aa7a49489e3---sanogajarabedalofusimi.pdfIn PDF document text
- http://bestforfishing.com/wp-content/plugins/super-forms/uploads/php/files/85d51dddb826d2cfb58f59098846844a/putasi.pdfIn PDF document text
- http://grgct.com/ckfinder/userfiles/files/dedewojikuraxivazidon.pdfIn PDF document text
- https://alignerco.com/wp-content/plugins/super-forms/uploads/php/files/55c8fe82b4864fc95d6a8d014fb5dd5c/padine.pdfIn PDF document text
- https://primewestelectrical.com/wp-content/plugins/super-forms/uploads/php/files/ac15afd119cb1f378b94270ed4ecd720/buladofomogu.pdfIn PDF document text
- http://sinhorelli.com/userfiles/file/79174012014.pdfIn PDF document text
- http://blackshirts1960.com/clients/876325/File/4118521016.pdfIn PDF document text
- https://worldkelo.com/wp-content/plugins/super-forms/uploads/php/files/44cf13fd3660b54cd722716dec645022/58103704008.pdfIn PDF document text
- https://veglifekc.org/wp-content/plugins/super-forms/uploads/php/files//zuzafelatizimukepotere.pdfIn PDF document text
- https://myparrotfood.com/user_files/files/lupilovotuzajiju.pdfIn PDF document text
- https://www.vibrationmonitoring.asia/wp-content/plugins/formcraft/file-upload/server/content/files/160afd06709266---75933353633.pdfIn PDF document text
- https://evg-prague.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1606f5b03d7c0a---jokibewad.pdfIn PDF document text
- http://zaun-produzent.de/userfiles/file/bifixiwelisaxapabam.pdfIn PDF document text
- https://finestblogger.de/wp-content/plugins/super-forms/uploads/php/files/fe4k3vu9tp5hiarjd3i5bf2gnk/86949192856.pdfIn PDF document text
- http://lavalnerina.it/userfiles/file/67472266199.pdfIn PDF document text
- https://nhuadailoan.vn/upload/userfiles/files/78654152974.pdfIn PDF document text
- http://webmba.fr/client/logo/file/xeseloxujivato.pdfIn PDF document text
- https://skyfireconsulting.com/wp-content/plugins/super-forms/uploads/php/files/4urd4ag8p3k2o66g7m6i5v4vit/busazasivadigolunelo.pdfIn PDF document text
- http://www.siphonicflowmandiri.com/upload/files/15741632730.pdfIn PDF document text
- https://fivetc.net/uploads/files/bitivimanenuzumax.pdfIn PDF document text
- https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/16075efa49cdbd---batanegaj.pdfIn PDF document text
- https://big-affaires.com/img/pics/files/kisul.pdfIn PDF document text
- http://rockfordauburn1966.com/clients/8/85/8549db0cc7d1f63cce07d3be93bd6f3d/File/66852932667.pdfIn PDF document text
- http://lokalsport.no/userfiles/file/bivelexiweva.pdfIn PDF document text
- http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16082f20f01409---riwutizetepedimu.pdfIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f1f5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1F5 | 18396 bytes |
SHA-256: 6e6d060a1734d91723c2015c6a0ecc168d5786f5ac685ca69823470d7df39e7c |
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