MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous external links, with a critical heuristic identifying it as a link farm. One prominent URL, 'https://trafficel.ru/123?utm_term=urban+fantasy+books+goodreads', is presented in a context suggesting a lure related to 'urban fantasy books goodreads'. The ClamAV detection and ML classifier strongly indicate malicious intent, likely for phishing or distributing further malware via the link farm.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 5
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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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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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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?utm_term=urban+fantasy+books+goodreads PDF link annotation
- https://cdn-cms.f-static.net/uploads/4417221/normal_5f957ec9cc8d3.pdfIn PDF document text
- https://rabifupokuwu.weebly.com/uploads/1/3/1/1/131164250/186660.pdfIn PDF document text
- https://megadezatesaram.weebly.com/uploads/1/3/0/7/130776649/migajavapumumo.pdfIn PDF document text
- https://fukudikewug.weebly.com/uploads/1/3/4/6/134686524/9f97cec396aa.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4427282/normal_5fa07dfb19002.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4370525/normal_5f9a8c7bece9f.pdfIn PDF document text
- https://luketekovagitor.weebly.com/uploads/1/3/4/2/134236109/3a04c1852.pdfIn PDF document text
- https://suragovitig.weebly.com/uploads/1/3/4/2/134265770/1b89c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4381964/normal_5f8d80c66f5b3.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4417648/normal_5fa36b2a51996.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/popagexexoza/bisafoj.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b335.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB335 | 5340 bytes |
SHA-256: 4c03eb79f0232276b5ea13b4aaf343b027dce19f8cd0965a6d3122739f9dfaab |
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font_01_sfnt_off0000c57d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC57D | 10152 bytes |
SHA-256: a344d1939f8bec109dd5f3ff66e0fe323fe205284845e10d71744e65a5f74446 |
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