MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file contains a large number of embedded links, many pointing to external PDF files, indicating a link farm or SEO manipulation tactic. One critical heuristic identified a link to known malicious redirector infrastructure. The ClamAV detection and ML classifier further confirm its malicious nature, likely as a phishing or trojan delivery mechanism.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://yafferge.ru/wb?keyword=poisson%20distribution%20interarrival%20time
- https://xepevuke.weebly.com/uploads/1/3/0/7/130775471/semulekir.pdf
- https://cdn-cms.f-static.net/uploads/4479707/normal_60494b0f39730.pdf
- https://cdn-cms.f-static.net/uploads/4459464/normal_6044d5dad021e.pdf
- https://cdn-cms.f-static.net/uploads/4421768/normal_60550d87ab1a7.pdf
- https://static.s123-cdn-static.com/uploads/4366388/normal_5fdfabc337d60.pdf
- https://cdn-cms.f-static.net/uploads/4485012/normal_6057d916ef40b.pdf
- https://kotevopokevunab.weebly.com/uploads/1/3/4/5/134590751/5624a5fc3f989b0.pdf
- https://cdn-cms.f-static.net/uploads/4445726/normal_601a88999017c.pdf
- https://vozumovoso.weebly.com/uploads/1/3/4/5/134506012/3335829.pdf
- https://fewabobur.weebly.com/uploads/1/3/4/7/134713859/zudowibojidikizu.pdf
- https://lupasunalijifaw.weebly.com/uploads/1/3/4/3/134385939/7d74639.pdf
- https://xuxulavadimuxa.weebly.com/uploads/1/3/4/2/134234789/pefure_dafaj_rugomajipubis_towiwasegitoxu.pdf
- https://wakazezoloke.weebly.com/uploads/1/3/3/9/133999839/lezubemipitig_vibasenepoz.pdf
- https://vawudida.weebly.com/uploads/1/3/4/8/134890241/98d7f8.pdf
- https://kasugokadudibuk.weebly.com/uploads/1/3/4/7/134740653/kadiguna_loxurujoxoxonu_loxejoxapu_mabideguzab.pdf
- https://cdn-cms.f-static.net/uploads/4421624/normal_6048ec17adb37.pdf
- https://baloxojiregape.weebly.com/uploads/1/3/4/6/134685367/girugizititode.pdf
- https://kojezuduw.weebly.com/uploads/1/3/5/3/135326104/nozaleduwadider-vawikojofu-miwuluw-jafanesulu.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://uploads.strikinglycdn.com/files/123cc55d-a07f-48fa-8a7f-f1ef267ca62c/washington_football_team_new_name_possibilities.pdf
- https://uploads.strikinglycdn.com/files/afe6519b-43ee-4ee7-ab84-3e0162c1587d/ribuwurovurajaj.pdf
- https://uploads.strikinglycdn.com/files/a8b4df7b-dc2f-4a7a-9104-704e834742d6/31102223976.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_off0000f322.binf51717773462ff71def6eec02dec482dfb1be40d2974c389b8d1f9f5c2b06a13 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF322 | 5172 bytes |
font_01_sfnt_off000104a3.bin3e8cc90163dfe9a28e6f2f975da5298903d3de3eddb4b105c843de74b7eaffe4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104A3 | 11372 bytes |
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