MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged as malicious by multiple heuristics and an ML classifier, indicating a high likelihood of malicious intent. The presence of numerous external links, particularly those pointing to Weebly-hosted PDFs, suggests a link farm or phishing campaign designed to redirect users to potentially harmful content. The document body, though heavily obfuscated, contains what appears to be a title related to structural engineering, likely used as a lure.
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-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://traffnew.ru/strik?utm_term=dise%25C3%25B1o+y+calculo+de+estructuras+de+concreto+reforzado+vicente+perez+alama
- https://mogilifus.weebly.com/uploads/1/3/0/7/130739831/tixobenudofezibet.pdf
- https://kilejotiwig.weebly.com/uploads/1/3/1/4/131406519/rodupewure.pdf
- https://xetasigebe.weebly.com/uploads/1/3/4/4/134443645/6228555.pdf
- https://latijivetazemor.weebly.com/uploads/1/3/0/7/130775002/bibiz_fuzusakizipofot_kabeteluk_geboru.pdf
- https://jiwepurojal.weebly.com/uploads/1/3/0/7/130775762/gikunovesizaf_najitimewosop_fexok.pdf
- https://jomimufigaz.weebly.com/uploads/1/3/4/3/134319247/3015368.pdf
- https://pamarilu.weebly.com/uploads/1/3/4/3/134322341/49aaeb537f442.pdf
- https://leziwave.weebly.com/uploads/1/3/4/4/134446015/9615918.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/xakapudakadu/bakugan_leonidas_fanfiction.pdf
- https://s3.amazonaws.com/vobuturinivi/el_poder_de_la_esposa_que_ora.pdf
- https://s3.amazonaws.com/betimugi/teguboxivutenezotuguvoj.pdf
- https://s3.amazonaws.com/vopadofugon/temple_of_the_dragon_cult.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_off0000cb15.bina7d43db4f0b0736f5fe08026f5d8e427da6b157158c11af1f8e7ed6c4a00e359 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB15 | 5724 bytes |
font_01_sfnt_off0000de57.bina05a993e21edcf6d9c183a1e8772e87f40c729bb7bd67fad11a286c23534bb5a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE57 | 11060 bytes |
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