MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous external links, a technique often used for SEO poisoning or phishing. The primary URL, 'https://traffset.ru/strik?utm_term=grammar+practice+parallel+structure+worksheet+answers', suggests a lure related to educational content to entice users. The ClamAV detection and ML classifier strongly indicate malicious intent, likely to redirect users to a malicious site or download further payloads.
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://traffset.ru/strik?utm_term=grammar+practice+parallel+structure+worksheet+answers
- https://mabobuloxulekev.weebly.com/uploads/1/3/4/6/134692970/movexonawunegatabar.pdf
- https://sezibuginodeso.weebly.com/uploads/1/3/4/4/134470526/06eef15aac12.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/ganubatebedoxez/13392578891.pdf
- https://s3.amazonaws.com/taturi/mailerlite_email_templates.pdf
- https://s3.amazonaws.com/xuzed/50114409023.pdf
- https://static1.squarespace.com/static/5fc7a8125fa98a681f0fc516/t/5fc894cb970db930d9c499ad/1606980811247/59086185472.pdf
- https://s3.amazonaws.com/zidenigad/97476777010.pdf
- https://s3.amazonaws.com/nagudo/51904825113.pdf
- https://s3.amazonaws.com/nonipesikiri/berlin_center_united_methodist_church.pdf
- https://static1.squarespace.com/static/5fc0d9d28787e879896bb85a/t/5fc0f7ca61e25426e15ac834/1606481868411/blueparrott_xpressway_manual.pdf
- https://static1.squarespace.com/static/5fc0bb2c88c99b6d37a6398e/t/5fc0de1d7acac6192ae1520a/1606475298586/language_handbook_answer_key.pdf
- https://s3.amazonaws.com/fofeguj/medolelotunogunixugan.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_off0000b611.binadb445c4d568c62545deb6e0ffa4c2c7a42e08eaf02dca1ae86c6b2853e5b502 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB611 | 5360 bytes |
font_01_sfnt_off0000c82f.binc2524fa98d651c756862f3ca56522d1b054a0741ed55d0e2e17c2d9db3a0d6d8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC82F | 10352 bytes |
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