MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, with at least one pointing to known malicious redirector infrastructure (https://cctraff.ru/aws). The document body, though heavily obfuscated, suggests a lure related to a 'Bennett 840 service manual'. The presence of a link farm and the ML classifier's high confidence score indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 5
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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://cctraff.ru/aws?utm_term=bennett+840+service+manual
- https://kobigaxa.weebly.com/uploads/1/3/3/9/133997295/4830400.pdf
- https://gikoberi.weebly.com/uploads/1/3/0/9/130969260/d7cb84e0cba210.pdf
- https://tavikumor.weebly.com/uploads/1/3/4/4/134476146/65a248e6f7b2.pdf
- https://sivisobimiji.weebly.com/uploads/1/3/4/7/134754783/4691136.pdf
- https://tajuzoliv.weebly.com/uploads/1/3/4/3/134359899/d43071.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/fatikonavori/37263782216.pdf
- https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbcf25500f7af3919d280c6/1606218329028/bomesowibij.pdf
- https://s3.amazonaws.com/ronenitevodo/grammar_exercises_for_class_5.pdf
- https://s3.amazonaws.com/kufazete/baby_i_m_yours_piano_sheet_music.pdf
- https://s3.amazonaws.com/wuzalugiseto/courage_the_cowardly_dog_game.pdf
- https://s3.amazonaws.com/fokapikow/60103072583.pdf
- https://uploads.strikinglycdn.com/files/9e17b95f-0596-46ee-a8c9-5e2cbc2cf000/loxixosadeloximomofolimus.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_off0000cc4a.binb73179ce0b52c94c21abf6423f1f9c8fc5801da3e4454dacbef3b2481544488d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC4A | 5480 bytes |
font_01_sfnt_off0000dedd.bina9f36933b413ac3f8ab74e3ad7f6d054dc681d5a6ccb6af7128db597b504f205 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDEDD | 13096 bytes |
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