MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains a large number of external links, many pointing to disposable hosting or link farms, indicating a likely attempt to drive traffic to malicious or phishing sites. The ClamAV detection and ML classifier strongly suggest malicious intent, classifying it as a phishing trojan. The document body, though heavily obfuscated, appears to be a lure related to food and carbohydrates, likely to trick users into clicking the embedded links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 6
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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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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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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://krisoc.ru/pbw?utm_term=lista+de+alimentos+con+carbohidratos+simples+y+complejos PDF link annotation
- https://cdn-cms.f-static.net/uploads/4379613/normal_604067e154748.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4393499/normal_5fdb95a8d8eb0.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4487423/normal_5febd1d10f6a1.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4462354/normal_6054f37352df5.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4490757/normal_603a62c420f4c.pdfIn PDF document text
- https://mesakejaj.weebly.com/uploads/1/3/4/7/134754162/9f9816f.pdfIn PDF document text
- https://mapimodedafibo.weebly.com/uploads/1/3/4/7/134708703/317126.pdfIn PDF document text
- https://bipixexomalexu.weebly.com/uploads/1/3/4/3/134349320/devuwisuronax-jisibejibizifag-jenapeziziri.pdfIn PDF document text
- https://zugatuwedi.weebly.com/uploads/1/3/0/8/130874050/1749910.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4401517/normal_6025567a53ce2.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4457014/normal_604841bc70f56.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4425238/normal_6023b8bbde5a9.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://xesimisejek.pbworks.com/w/file/fetch/144500640/how_to_recover_deleted_chrome_history.pdfIn PDF document text
- http://jutifakukap.pbworks.com/w/file/fetch/144483897/dalurire.pdfIn PDF document text
- http://gamaxidad.pbworks.com/w/file/fetch/144800397/kafotakela.pdfIn PDF document text
- http://togusan.pbworks.com/w/file/fetch/144427545/pezapekamezidobejejufapal.pdfIn PDF document text
- http://fupimogevif.pbworks.com/w/file/fetch/144727524/bokobadoranolonim.pdfIn PDF document text
- http://pidexuxok.pbworks.com/f/59269988520.pdfIn PDF document text
- http://gibuwodebu.pbworks.com/w/file/fetch/144496197/nozuperotozonoxalozaso.pdfIn PDF document text
- http://gibuwodebu.pbworks.com/w/file/fetch/144604449/how_to_read_hvac_ladder_diagrams.pdfIn PDF document text
- http://legesir.pbworks.com/w/file/fetch/144742074/what_are_the_5_principles_of_nonverbal_communication.pdfIn PDF document text
- http://gafuxexosaru.pbworks.com/f/couch_to_5k_running_plan_for_beginners.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_off0000e94a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE94A | 5572 bytes |
SHA-256: ec2caa2ff97a49e5dc831e7878d02fd60cd61708a7219c79aeb6547e6852b8b8 |
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font_01_sfnt_off0000fc1b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC1B | 11760 bytes |
SHA-256: 81046190ae073fa28af58459f60d62fa278c0277117ef574cf1df08661a5ebe7 |
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