MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, with numerous embedded URLs pointing to external sites. Several heuristics indicate that these links are hosted on compromised CMS uploads or disposable domains, suggesting a phishing or malware distribution scheme. No scripts were extracted, but the PDF structure itself facilitates the redirection to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.7916
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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PDF differential parser failed info PDF_DIFFERENTIAL_PARSE_FAILEDThe cross-check parser (pdfminer.six) failed on this file: PDF differential parser failed: PDFSyntaxError. Static heuristics still ran and any of their findings above are valid; only the differential cross-check signal is missing.
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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://synodradomski.pl/userfiles/file/fafetasogimok.pdf
- http://pizzeria-millemiglia.de/app/webroot/img/editor/file/sagesix.pdf
- http://broadmoor77.com/clients/39738/File/69790529658.pdf
- https://miaousland.fr/ckfinder/userfiles/files/lufinobedoxujog.pdf
- http://ehs1958.org/clients/73155/File/17651223799.pdf
- https://www.olympusnorge.no/wp-content/plugins/super-forms/uploads/php/files/e43plf9ppdf0t8rbmcemkatgg5/20783061657.pdf
- http://monterroso-construpuntos.com/campannas/file/vidowakibexojitodotexonub.pdf
- http://ithalattagarantibelgesi.com/resimlerfiles/kopapaxatoludanoluxowob.pdf
- http://dirabrealtors.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a40a9dab5de---gurumagusakitapalojij.pdf
- http://donationwebsites.com/clients/6/68/68901b9e08e997a22fc64c74502b39ca/File/xudulisomigilatevaliwo.pdf
- http://www.jamesbgriffinlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2e3284abbe---jekawanumekalutozurexu.pdf
- http://poltinka.ru/userfiles/file/kegumu.pdf
- https://psfund.org/public/uploads/files/cms_files/70615857063.pdf
- http://utpcomp.ru/uploads/files/batigufakoxamo.pdf
- http://maxitelt.no/wp-content/plugins/formcraft/file-upload/server/content/files/1606c911dece83---rejusawu.pdf
- http://movesearchesuk.com/userfiles/file/sitekotojonejikizonem.pdf
- http://alsumiri.net/wp-content/plugins/super-forms/uploads/php/files/2da606f01dc205682c319181ffaa7cb1/gezedexilon.pdf
- http://novichiha.ru/pic/file/88267410217.pdf
- http://www.ddd-iasi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160b2919749194---depezuwomo.pdf
- https://irantruck.ir/data/file/wubetedelilane.pdf
- http://mlsy.cz/images/file/files/pisosebujuzewonoz.pdf
- http://3handseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fdd54bbf1ab---67066645371.pdf
- https://mebelpozakazu.ru/wp-content/plugins/super-forms/uploads/php/files/57751d5972a94ae563a13e9784e9cef8/99742457470.pdf
- https://tripleccompanies.com/wp-content/plugins/super-forms/uploads/php/files/0c8427591b8b050ae2b4f03236ab63a6/37657131972.pdf
- https://detmers-kontejner.hr/files/17938358520.pdf
- https://arab-hams.com/Ups/files/81690368614.pdf
- http://ownlines.com/upfiles/file/92441695671.pdf
- https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/c1031549a8d1819648d00fa464304aa9/wedubuveviro.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=newton%27s+first+law+is+also+called+the+law+of
- 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_off0000e381.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE381 | 16792 bytes |
font_01_sfnt_off0000fb93.binfb7d296ea8894b4e715407d365289decf2ee20a92c3b170cdd7cdea8e84d6b69 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB93 | 16892 bytes |
font_02_sfnt_off000126e3.bin90c301bf279a1ab48e062f3c38a59ac9bb2c246858d17a0181b250a8a0ecc757 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x126E3 | 10672 bytes |
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