MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, presenting numerous URLs that point to potentially compromised websites or disposable domains, suggesting a phishing or malware distribution scheme. The presence of external URIs and link farm heuristics strongly supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://crewmak.ru/uplcv?utm_term=can+you+see+highlights+on+private+instagram PDF link annotation
- http://dansecyr.ca/pdf/file/87934205586.pdfIn PDF document text
- https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/1e9d77bcd7d631ac1ac8940f181e9187/viramiza.pdfIn PDF document text
- https://www.bluegreenshouseboats.in/wp-content/plugins/formcraft/file-upload/server/content/files/160815e8ae0d6b---99152410075.pdfIn PDF document text
- https://www.cibaospalaser.com/wp-content/plugins/super-forms/uploads/php/files/2r36tu0osaajah2fv2qsn7fcjg/notojinuxuxakiworesoba.pdfIn PDF document text
- http://baugeraeteverleih.de/benutzerdateien/wewuta.pdfIn PDF document text
- http://fecirturizm.com/resimler/files/xemisekikeduzeziviwove.pdfIn PDF document text
- http://acpiindia.com/userfiles/file/sukubiv.pdfIn PDF document text
- http://brookhavenclassof1967.com/clients/0/0c/0ca802fc87877f8c548ddf85495caeb2/File/87583212279.pdfIn PDF document text
- http://mgmkt.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16071c3322f17f---89494677862.pdfIn PDF document text
- http://quickvideo.nl/userfiles/file/7078017536.pdfIn PDF document text
- https://celovechurch.org/wp-content/plugins/super-forms/uploads/php/files/42163926d37060b94062b679bd5ba4ce/gusim.pdfIn PDF document text
- https://www.chauffeur-prive-nice.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160812f20625f8---17313531974.pdfIn PDF document text
- https://callhfelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ee0269db29---99717454806.pdfIn PDF document text
- http://madmojo.com/fckupload/file/jibiloruga.pdfIn PDF document text
- http://allamericannursing.com/userfiles/file/giripuronufe.pdfIn PDF document text
- http://ecompletecontact.com/ckfinder/userfiles/files/mobuz.pdfIn PDF document text
- https://thejinglelab.com/wp-content/plugins/super-forms/uploads/php/files/91iqig8hvut37de4olof8fj7jh/41959307042.pdfIn PDF document text
- http://lacyfamilyunity.com/clients/2/20/203fd950dafdada58ea32e7b96f0d147/File/dixoxefutitogopidef.pdfIn PDF document text
- https://travolution.travel/wp-content/plugins/super-forms/uploads/php/files/a5fc66137e77ce411910a778de81341c/18052828580.pdfIn PDF document text
- http://iwish-cosmetics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c6d69c2095---11111093357.pdfIn PDF document text
- http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/jdmfm6716348hau5g24ed6a355/4506263422.pdfIn PDF document text
- https://gk-termopanel.ru/wp-content/plugins/super-forms/uploads/php/files/b7b90933d5c9184d6122661dcf5af6c7/wenezuxekisibifuxonanot.pdfIn PDF document text
- https://realestateconnect.us/wp-content/plugins/super-forms/uploads/php/files/ce858a33ju64s47lag0r9ande0/81887522564.pdfIn PDF document text
- https://www.cibaospalaser.com/wp-content/plugins/super-forms/uploads/php/files/59j1k1l80ndv101jmke7pl6m48/30712195797.pdfIn PDF document text
- http://mountmedpharmacy.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1609e045e8698f---lonop.pdfIn PDF document text
- http://hondatayho.vn/images/ckeditor/files/sunab.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_off0000f1b8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1B8 | 11008 bytes |
SHA-256: f576aff97faa57053f4fbc0b9a97a3bc21c1d597a317839790b2632ba7715f5f |
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font_01_sfnt_off00010b36.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B36 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012348.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12348 | 16880 bytes |
SHA-256: f0758172394e8c59ce138d2637e71895166ef153793ffe6478244b3a9c39ecc2 |
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