MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous external links, with a critical heuristic identifying a 'PDF_SEO_LINK_FARM' suggesting a large number of outbound links intended to manipulate search engine results or direct users to malicious content. One such link, 'https://trafficel.ru/123?keyword=white+noise+don+delillo+pdf', appears to be a lure. ClamAV also detected the file as 'Pdf.Phishing.Trojan'. While no scripts were explicitly extracted, the PDF structure and link farm indicate a phishing or malware distribution attempt.
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-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://trafficel.ru/123?keyword=white+noise+don+delillo+pdf
- https://cdn-cms.f-static.net/uploads/4368747/normal_5f91165720a6b.pdf
- https://cdn-cms.f-static.net/uploads/4406516/normal_5f9c04752d4b0.pdf
- https://cdn-cms.f-static.net/uploads/4378843/normal_5f8de3ce3b43b.pdf
- https://cdn-cms.f-static.net/uploads/4380527/normal_5f8fe1acd8957.pdf
- https://cdn-cms.f-static.net/uploads/4365638/normal_5f88040a53c41.pdf
- https://cdn-cms.f-static.net/uploads/4382778/normal_5f90a952877bd.pdf
- https://jerewetazawupej.weebly.com/uploads/1/3/4/3/134384555/4638508.pdf
- https://cdn-cms.f-static.net/uploads/4372721/normal_5f899cb93e9c3.pdf
- https://wivepeweg.weebly.com/uploads/1/3/1/4/131455463/c63b17.pdf
- https://cdn-cms.f-static.net/uploads/4367625/normal_5f8b1f33db724.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/vapelurowar/11444667939.pdf
- https://uploads.strikinglycdn.com/files/32912a31-c5a1-4714-9bab-dcf1cac8d80d/85358652381.pdf
- https://uploads.strikinglycdn.com/files/3b8f3b2f-6430-4f5d-a598-c69ae1cb8f3c/kavedosa.pdf
- https://s3.amazonaws.com/pisik/41155743464.pdf
- https://uploads.strikinglycdn.com/files/a098704e-c0db-4847-8e95-3e836496df8a/numerologia_cabalstica_clculo.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_off00011192.bin98f6b74e4e314d62973104930449846cbe36386aa8fc35840a84414c284a32d5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11192 | 4836 bytes |
font_01_sfnt_off00012216.bin59f8d8d16f9647f5dc80fbb38819bf4befeb0234d025a404b55026909dca613c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12216 | 12020 bytes |
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