MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was identified as malicious by multiple heuristics and an ML classifier, with ClamAV detecting it as a phishing trojan. It contains a large number of external links, many hosted on disposable domains, suggesting a link farm or redirection scheme. The document body, though heavily obfuscated, appears to be a lure related to a 'Toro 521 snowblower parts list', directing users to potentially malicious URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
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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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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://vilenefex.ru/strik?utm_term=toro+521+snowblower+parts+list PDF link annotation
- https://cdn.sqhk.co/tosobulig/Izgjhgd/family_pastimes_games.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4378608/normal_603bdb0f7e077.pdfIn PDF document text
- https://cdn.sqhk.co/pomodizad/dshf3jh/castells_rise_of_the_network_society.pdfIn PDF document text
- https://cdn.sqhk.co/tovipovo/Tgeha4A/kevejomezopedol.pdfIn PDF document text
- https://cdn.sqhk.co/ruxuzobisu/Rg4Yshg/92793990155.pdfIn PDF document text
- https://cdn.sqhk.co/xokebuzizo/ahHD4JO/wawixevaxoboz.pdfIn PDF document text
- https://cdn.sqhk.co/kujotukil/uhiJ9UV/14520329512.pdfIn PDF document text
- https://cdn.sqhk.co/fodexuxefeba/fjfjggg/jeminipeferozoz.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4489969/normal_601729a88471c.pdfIn PDF document text
- https://cdn.sqhk.co/nawiwola/gjhjhiV/87255492415.pdfIn PDF document text
- https://cdn.sqhk.co/barevirus/jjbFjeJ/bulbul_kannada_movie_mp4.pdfIn PDF document text
- https://cdn.sqhk.co/fukafodifi/JhejgnR/tudofiguvanirivino.pdfIn PDF document text
- https://cdn.sqhk.co/rifusofuwedi/tlH4ib8/84724343092.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4485591/normal_601e7e26d437b.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://af6bd0e1-9fb2-4c52-b6e5-df6188d17e94.filesusr.com/ugd/771d18_74f1b8890117400593025c749d763908.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/e5d5f1e3-3f5a-4742-afee-eb28bbc40e25/rt_ac66u_firmware.pdfIn PDF document text
- https://a161ff94-1a6f-4367-b6f8-8e513a5e676d.filesusr.com/ugd/4c7633_364ac5251a2b41d58ec50db5f6f71c1f.pdf?index=trueIn PDF document text
- https://eed7fa7e-4f31-4ba6-8269-e73f07ac74c5.filesusr.com/ugd/93374d_696f3755c2234743aa39a46ceffe7c32.pdf?index=trueIn PDF document text
- https://73c25812-7308-4b32-b985-10e2a25710ca.filesusr.com/ugd/5b604d_0a41417676304d5e9d23ec34f67dcc8c.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/3c498c1c-5b18-4587-9365-c5d62be73e81/pobadowulo.pdfIn PDF document text
- https://b6de9e3f-c562-4e05-b5ee-70895c8060ae.filesusr.com/ugd/3801ff_2311dfe340cd49ef911b2fa32e639dfa.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/a39967ad-a052-4d9f-b523-02a56115ed53/54821736034.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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f1ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1AB | 5092 bytes |
SHA-256: 52fab3e39be85e1f36228ffd16404004cac38e7f8755f5d297aced2a6fe3d427 |
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font_01_sfnt_off00010317.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10317 | 10780 bytes |
SHA-256: f584e8a2228d0b2eae5d8a8aa012378be8f100f063bf54a823d816b26cdb7cb3 |
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font_02_sfnt_off000127de.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x127DE | 4324 bytes |
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
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