MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous external links, identified as a link farm, with one prominent URL pointing to a suspicious domain. The ML classifier and ClamAV detection strongly indicate maliciousness, classifying it as a phishing trojan. The embedded content, though obfuscated, suggests an attempt to disguise the malicious nature by appearing as a legitimate document.
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://ponafet.ru/award?keyword=java+programming+notes+pdf+for+mca PDF link annotation
- https://cdn-cms.f-static.net/uploads/4417309/normal_603f83b499224.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4418762/normal_5fda50bf254a1.pdfIn PDF document text
- https://pesulomerusetus.weebly.com/uploads/1/3/4/1/134109359/ganuja.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4473954/normal_604461ed6eaa7.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4483104/normal_603a73ec12bc3.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4503987/normal_60013d83a6d5f.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4410004/normal_6006128ad7882.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4414500/normal_6018c5eaaf98d.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4382952/normal_5fc661ef8fb89.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4370052/normal_60378275a3161.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4455178/normal_6024c57b7c0c8.pdfIn PDF document text
- https://xudezilo.weebly.com/uploads/1/3/0/7/130739240/b6173fbec.pdfIn PDF document text
- http://wenevaveredanib.22web.org/a_simple_favor_trailer_2018.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4419205/normal_5ffe46811037d.pdfIn PDF document text
- http://xagabovano.22web.org/nolipexuvezisoweranux.pdfIn PDF document text
- https://kuvikopar.weebly.com/uploads/1/3/4/8/134870245/jitejozirivejemitin.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4476578/normal_5fe2eaa50cc54.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4416150/normal_60502576e5c09.pdfIn PDF document text
- https://kuwomodelinero.weebly.com/uploads/1/3/0/7/130776449/nenimemolanatexivu.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4416149/normal_6050b0135998c.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://gemosufijubimup.epizy.com/acknowledgement_form_renovation_hdb.pdfIn PDF document text
- http://memaded.epizy.com/suwavirivijusevolu.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_off0000dca6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCA6 | 5280 bytes |
SHA-256: b150d10b843d953e42af800d836b05781be90f99281aad05e4c92a999b5a00eb |
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font_01_sfnt_off0000ee84.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE84 | 11108 bytes |
SHA-256: 8f3e696bbefdf2c4e202411e0fec46506b461b8d7607fa7f1db163519aae908a |
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font_02_sfnt_off00011440.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11440 | 4324 bytes |
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
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