MALICIOUS
226
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
This PDF document is identified as malicious by multiple heuristics and a machine learning classifier. It contains a large number of external links, suggesting a link farm or phishing attempt. Notably, it includes a 'Clipboard command execution lure,' instructing users to paste content into a shell, which is a common technique for downloading and executing secondary payloads. The presence of multiple external URLs, including those on disposable hosting, further supports a malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
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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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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Clipboard command execution lure high SE_CLIPBOARD_COMMAND_LUREDocument tells the user to copy or paste clipboard content into Run, PowerShell, cmd, or another shell-like execution context
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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://jumiwimov.ru/123?utm_term=hangouts++chat+history PDF link annotation
- https://cdn.sqhk.co/zadorari/jbhiSid/gunimelos.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4463830/normal_605879bfc7b0d.pdfIn PDF document text
- http://static-get.top/what_does_flip_a_word_meanya43h.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4417652/normal_5fdaf9391b3e0.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4493602/normal_604045a362e72.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4426812/normal_602c4f3c21c06.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4416494/normal_6028fac1cddca.pdfIn PDF document text
- https://cdn.sqhk.co/nulogoxeja/5VIhaie/konufozo.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4380545/normal_6046c6cef3356.pdfIn PDF document text
- https://ninisajata.weebly.com/uploads/1/3/4/8/134869212/4e6e6221b5031d.pdfIn PDF document text
- https://xavapijiwo.weebly.com/uploads/1/3/3/9/133997403/polopekaw.pdfIn PDF document text
- http://premium-cinema.com/1869328096mthka.pdfIn PDF document text
- https://cdn.sqhk.co/xufatirumina/jg4hbhc/8163935070.pdfIn PDF document text
- https://cdn.sqhk.co/kapudome/gcC8jgj/30395976409.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4467306/normal_5ffd538745382.pdfIn PDF document text
- https://wigewowatabosaz.weebly.com/uploads/1/3/4/3/134352056/rometoj_zuwarijabibaw_repanuga_tisivufazigi.pdfIn PDF document text
- http://trendmobile.ru/10568107433m36ye.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4474722/normal_604893f144b8a.pdfIn PDF document text
- https://cdn.sqhk.co/giwumazusew/aDEigjg/godazafuk.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/b322764d-3a89-4218-b2be-78859d6bc795/38954076840.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3441a51a-ab26-4ecd-a1f3-ec7b34c32f3b/89273119719.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d197a60c-2ce3-439a-8785-285dce5b5bdc/kaxojusazowifafemakof.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ed3b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED3B | 5092 bytes |
SHA-256: d8f28137a4b29bfa27d44695fd233d43057d4045dd4e2253b29a016e4031baee |
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font_01_sfnt_off0000fe92.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE92 | 11212 bytes |
SHA-256: 606faf7d516799f33f7c1f6fac84136c45f690cffb4079902e4c3f34fc792328 |
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