MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous external links, including a link farm heuristic, suggesting it's designed to redirect users to potentially harmful websites. The document body, though heavily obfuscated, contains text related to educational materials, which is likely a lure to disguise the malicious nature of the links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://trafffi.ru/aws?utm_term=glencoe+algebra+2+answers+page+224
- https://xabopefasuliwik.weebly.com/uploads/1/3/4/4/134445681/1535284.pdf
- https://cdn-cms.f-static.net/uploads/4422909/normal_5fa0dd80091ee.pdf
- https://ravadekivis.weebly.com/uploads/1/3/4/5/134512786/kodomugeje.pdf
- https://cdn-cms.f-static.net/uploads/4412413/normal_5fc09fbf8eb30.pdf
- https://cdn-cms.f-static.net/uploads/4369648/normal_5f8c5011bc67b.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://uploads.strikinglycdn.com/files/238d58fd-f88b-479a-8632-73d91f8d6d86/maadhaar_app_for_iphone.pdf
- https://uploads.strikinglycdn.com/files/381ddf2b-b96e-4b87-b10d-1f875250a226/advanced_microeconomic_theory_jehle.pdf
- https://uploads.strikinglycdn.com/files/de81015d-7769-43a6-af5d-1a2645c57a5b/jopuxarugutegotesopu.pdf
- https://uploads.strikinglycdn.com/files/63782d7c-6e39-4194-a677-7707618ef1bb/fipivudej.pdf
- https://uploads.strikinglycdn.com/files/91d63b3f-e362-4c28-a7be-1fac77abf433/dupozovixopuxewujegow.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://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
- http://scripts.sil.org/OFL
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_004_off0000ed8f.bin95a2f00672444adcb65a0cce5df53c735110298208e5b033f7d544efb0cecb88 |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0xED8F | 25720 bytes |
font_00_sfnt_off0000b723.bincb93fdb75a3ff4a2f8f6b3fee6bc1b2ea31002fd3b77bc93f52fbbd61f6f3306 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB723 | 5584 bytes |
font_01_sfnt_off0000ca58.bin9c1bc6d2de41fdc8636ed50cfb5bbc399c171f287430ca163dd8a579db9ded27 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA58 | 10220 bytes |
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