MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains a large number of external links, many of which point to PDF files, suggesting a link farm or SEO poisoning attempt. The primary URL, https://trafftec.ru/strik, is likely part of a phishing or malware distribution campaign. Although no scripts were extracted, the heuristic firings and the nature of the embedded links strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://trafftec.ru/strik?utm_term=comparing+meiosis+and+mitosis+worksheet+answers
- https://nutefowamedez.weebly.com/uploads/1/3/4/3/134330341/6224260.pdf
- https://nosovaranipad.weebly.com/uploads/1/3/4/7/134743093/taxak-libeluwat-nofaxadajobarop.pdf
- https://static.s123-cdn-static.com/uploads/4387226/normal_5fc8f0795659b.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/jazuravazaguz/2220519833.pdf
- https://s3.amazonaws.com/jesidofefe/nutiga.pdf
- https://static1.squarespace.com/static/5fc59d7c68612547ed7e118f/t/5fce68529aa2de0c64c9427f/1607362643553/withings_watch_battery.pdf
- https://static1.squarespace.com/static/5fc2aa4c27a199023ac0c258/t/5fccaba383d2ac65cc0f8342/1607248814754/88244798201.pdf
- https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbd08c0b7ee8e70759ffab8/1606224065329/48060866636.pdf
- https://static1.squarespace.com/static/5fc290cdf9866f3fd2dedb6b/t/5fc6bbe648d5672cfb26e7f6/1606859752288/plants_vs_zombies_free_apk_uptodown.pdf
- https://static1.squarespace.com/static/5fc587ece2fce462bcab511b/t/5fcbf1bc260a660a6bc450c7/1607201213570/72706595274.pdf
- https://s3.amazonaws.com/lerezazo/57571490157.pdf
- https://s3.amazonaws.com/tesotiwapax/nuvuxafonu.pdf
- https://s3.amazonaws.com/didowugorokirug/soliwagusozawus.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d15d.bin94a593178a2504109a7f02708f2e93b8150f21c94e9326c35aabf53873a8fb82 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD15D | 5400 bytes |
font_01_sfnt_off0000e39b.bin91f324ffb98ef8d85175a7f1c75dea3a5be06fd4eff1f595f4eb6826bdfd0a27 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE39B | 10460 bytes |
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