MALICIOUS
156
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, and is flagged by ClamAV as Pdf.Phishing.Trojan. The ML classifier also strongly indicates maliciousness. The primary URL, https://ponafet.ru/123, suggests a phishing or malware distribution attempt disguised as a worksheet. No scripts were extracted, but the PDF structure and link farm indicate a phishing or malware delivery vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 5
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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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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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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/123?utm_term=demonstrative+pronouns+worksheet+3rd+grade
- https://cdn-cms.f-static.net/uploads/4456989/normal_604ceb500e7ad.pdf
- https://xediziku.weebly.com/uploads/1/3/1/3/131384396/kapinuk-wisogepovanu-kowiboxizar-tugakow.pdf
- https://static.s123-cdn-static.com/uploads/4409255/normal_5fc576b691694.pdf
- https://cdn-cms.f-static.net/uploads/4387825/normal_5fe805dc50220.pdf
- https://zojivevu.weebly.com/uploads/1/3/6/0/136090852/5245982.pdf
- https://josabinisepev.weebly.com/uploads/1/3/1/4/131452942/zefumimopiwisa.pdf
- https://static.s123-cdn-static.com/uploads/4409396/normal_5fe26794881c7.pdf
- https://dodesagetulisuv.weebly.com/uploads/1/3/4/9/134902864/jawikerowodolugax.pdf
- https://femomupine.weebly.com/uploads/1/3/4/4/134458898/2576805.pdf
- https://xanowiporak.weebly.com/uploads/1/3/0/8/130814060/figizot.pdf
- https://putesoborufo.weebly.com/uploads/1/3/0/8/130814126/sezobagawoje.pdf
- https://static.s123-cdn-static-d.com/uploads/4402250/normal_60b0749aa1062.pdf
- https://cdn-cms.f-static.net/uploads/4495413/normal_6042e9e67738a.pdf
- https://cdn-cms.f-static.net/uploads/4445103/normal_603b6246b545d.pdf
- https://static.s123-cdn-static.com/uploads/4467287/normal_600901997fd39.pdf
- https://cdn-cms.f-static.net/uploads/4418583/normal_604169474b41b.pdf
- https://tabodixab.weebly.com/uploads/1/3/4/5/134585887/a6a2e88967e1.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://uploads.strikinglycdn.com/files/de880cb0-c40e-4890-9d6f-9fd1ff1dfdf7/31647765285.pdf
- https://uploads.strikinglycdn.com/files/57334f9e-402d-4761-85d1-89722c90ec01/nitecore_i4000r_tactical_flashlight_review.pdf
- https://uploads.strikinglycdn.com/files/b4243ce4-c972-4821-b4f2-6e4d072f0799/17309678678.pdf
- https://uploads.strikinglycdn.com/files/e96339ce-86a6-4600-b5c1-71075252bc48/how_to_reset_ozeri_bathroom_scale.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ebd9.binc35c81133618680f3541086df0972b9867de3295111f2f6fad13c492a56605ea |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBD9 | 5600 bytes |
font_01_sfnt_off0000fed0.bincf1062672fd2ee7ea1bb3cd90fcaa3df2d1b015a27ebf8180430dd586bb778a4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFED0 | 11064 bytes |
font_02_sfnt_off00012491.binb50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12491 | 4324 bytes |
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