MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://jacksth.ru/award?keyword=solidworks+assembly+layout+tutorial+pdf PDF link annotation
- https://cdn-cms.f-static.net/uploads/4450354/normal_5fd943258ebf9.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4367617/normal_5fcb23153d92d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4488332/normal_6058cf31e9925.pdfIn PDF document text
- https://wejobufobugof.weebly.com/uploads/1/3/5/3/135348322/222656.pdfIn PDF document text
- https://cdn.sqhk.co/dilizilozok/jegjIii/pet_run_puppy_dog_game_apk.pdfIn PDF document text
- https://cdn.sqhk.co/letarezetap/CKsihKb/40504930244.pdfIn PDF document text
- https://cdn.sqhk.co/tavevalurov/XjgHWid/kaveroxelaxavari.pdfIn PDF document text
- https://rujupiben.weebly.com/uploads/1/3/4/8/134852491/somawifa_xirewas_defeluju_munejebolifij.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
- http://mewexudidis.epizy.com/gekuzenimuvivif.pdfIn PDF document text
- https://200c4c3d-185b-4246-b99f-f40cd7065c99.filesusr.com/ugd/3ed902_5735343aec454e8298e1f86b54283996.pdf?index=trueIn PDF document text
- https://104e0e48-a4c2-4a03-8647-06ef64d4e6ac.filesusr.com/ugd/e2c6c1_a91b471c984f4fd0a5c05f6a0220ea90.pdf?index=trueIn PDF document text
- https://a179b4bb-f9e1-4b0b-8685-f881d2afde68.filesusr.com/ugd/0fdb6d_bb73af25b8504684b0bd20fc16307a49.pdf?index=trueIn PDF document text
- https://cd70d4e5-4a1a-4071-96d1-f2415ea5ece1.filesusr.com/ugd/7f46b5_98fe354c2b0f4b0ca3c276dabf744582.pdf?index=trueIn PDF document text
- https://e19809cf-df80-48c1-9975-8599b001ad7a.filesusr.com/ugd/062cdf_723244683cde4bea86821086fcbc6859.pdf?index=trueIn PDF document text
- http://kofupugixujodin.epizy.com/14263215364.pdfIn PDF document text
- https://df9240ce-57b4-430e-a582-521170ca5232.filesusr.com/ugd/10b03a_75b0ac7388ec4b83ab490f8283dc57a8.pdf?index=trueIn PDF document text
- https://d78d2789-9aef-4bfd-88be-9093bec910ef.filesusr.com/ugd/87a178_af6346cbbdae423c9c2bd3fcb82d164f.pdf?index=trueIn 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_off0000e889.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE889 | 5464 bytes |
SHA-256: 36e58cf4b7da754582f7645cddb0161c92880d6aa39f3835227757621a6bc2dc |
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font_01_sfnt_off0000fb32.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB32 | 10736 bytes |
SHA-256: b50060dcb97e3301bdf34500ff51adcbb81f374c2639393cc2fe2155254dd88e |
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font_02_sfnt_off00011fb9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FB9 | 4324 bytes |
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34 |
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