MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, many pointing to disposable hosting or redirectors, indicating a link farm or SEO manipulation tactic. One critical heuristic identified a link to known malicious redirector infrastructure at https://cctraff.ru/strik?utm_term=como+hacer+pozole. The ML classifier and ClamAV also flagged this PDF as malicious, suggesting it is used to distribute malware or lead users to phishing sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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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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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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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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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://cctraff.ru/strik?utm_term=como+hacer+pozole In PDF document text
- https://kesamitowusiniw.weebly.com/uploads/1/3/4/4/134441112/8585194.pdfIn PDF document text
- https://sirawomaperuli.weebly.com/uploads/1/3/1/3/131398091/muwotula.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4491410/normal_5faf28311c1d8.pdfIn PDF document text
- https://xefafarorul.weebly.com/uploads/1/3/4/6/134698093/c17e4e2acff3c10.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4416322/normal_5fb4228d8eb9a.pdfIn PDF document text
- https://koponabunabo.weebly.com/uploads/1/3/4/5/134520941/7627051.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4379049/normal_5fb2e8da19940.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4390659/normal_5f95243462aa2.pdfIn PDF document text
- https://wefejakero.weebly.com/uploads/1/3/0/8/130814310/3920100.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/6f6c88d0-2d6e-4e49-b859-d7757ebca9d6/92553716433.pdfIn PDF document text
- https://s3.amazonaws.com/goporo/can_t_activate_showtime_anytime.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/53469b39-1e50-4465-85ae-8b6bd0ff2187/70320935129.pdfIn PDF document text
- https://s3.amazonaws.com/gewuwasi/lafufitubotameli.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/aa654d09-ea48-4470-93ad-e78417ecdbf9/terraria_lihzahrd_temple.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6616fdf9-65a1-4304-ab5b-fe779f4fd60e/zepanasaraziposefitar.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_off0000ceed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCEED | 4948 bytes |
SHA-256: 0dfaa0c0aeb29d1010d2f3e604b5522810f71930fd132bd36e510de73286b4c4 |
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font_01_sfnt_off0000df96.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF96 | 11012 bytes |
SHA-256: 45ccbbca96fe5961a9c843ef9c2c1946e5c6586fee9c3ad773b3e0b00f1ff948 |
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