MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Phishing.Trojan' and an ML classifier indicating high maliciousness. It contains a large number of external links, suggesting a link farm or phishing attempt. The embedded URLs point to various PDF files, likely serving as lures or further stages of infection.
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://trafficel.ru/aws?utm_term=inhibitors+of+oxidative+phosphorylation+worksheet
- https://cdn-cms.f-static.net/uploads/4446286/normal_5fc0184b814ff.pdf
- https://zixatemanareku.weebly.com/uploads/1/3/4/4/134472678/3b443bef6428.pdf
- https://cdn-cms.f-static.net/uploads/4447098/normal_5f9f6548ba7f6.pdf
- https://cdn-cms.f-static.net/uploads/4420459/normal_5fb87ae69e23a.pdf
- https://cdn-cms.f-static.net/uploads/4365525/normal_5fc075270ccf6.pdf
- https://cdn-cms.f-static.net/uploads/4477658/normal_5fa8ab17b1ee0.pdf
- https://cdn-cms.f-static.net/uploads/4365638/normal_5f874d4b8ea8f.pdf
- https://jokepalebaja.weebly.com/uploads/1/3/4/3/134360350/bagewuf-weliziwerifazep-suvom.pdf
- https://cdn-cms.f-static.net/uploads/4389074/normal_5fb74ac09b60b.pdf
- https://cdn-cms.f-static.net/uploads/4412908/normal_5fa35e979553b.pdf
- https://cdn-cms.f-static.net/uploads/4468540/normal_5fb4145e07c96.pdf
- https://cdn-cms.f-static.net/uploads/4368782/normal_5fbb4b69e0e55.pdf
- https://cdn-cms.f-static.net/uploads/4455374/normal_5fad5e5216665.pdf
- https://cdn-cms.f-static.net/uploads/4465255/normal_5fa89db1db42d.pdf
- https://buveziketi.weebly.com/uploads/1/3/1/3/131398526/64162d6.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/jusuberu/16269043756.pdf
- https://s3.amazonaws.com/fowikorejodi/parent_portal_login_hays_cisd.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_off00017df8.bin8d8507c9a7353e136c7e252c070829eaf9c5b7225bfff2948ae8615b7d1c2c9d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17DF8 | 5592 bytes |
font_01_sfnt_off0001910e.bin348966b8b23acab611785cf82e6435173d8735c2a47c9758e7b52e83fca78cd2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1910E | 11164 bytes |
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