MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://trafffe.ru/strik?utm_term=printable+bingo+calling+cards+1-+75 PDF link annotation
- https://dekedenavit.weebly.com/uploads/1/3/4/6/134612093/8456057.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4386836/normal_5fb80a50ebb08.pdfIn PDF document text
- https://vafumavuforowa.weebly.com/uploads/1/3/4/4/134489815/4914092.pdfIn PDF document text
- https://sifajovu.weebly.com/uploads/1/3/4/8/134874608/4638991.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369509/normal_5fad39bca90ce.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366034/normal_5f86f73765d37.pdfIn PDF document text
- https://zosupexaduj.weebly.com/uploads/1/3/0/7/130738593/fagaxufizaler_nobesa_zixujejelujix_rumadaniwam.pdfIn PDF document text
- https://gekomawaloloro.weebly.com/uploads/1/3/4/4/134443710/6694d17619b.pdfIn PDF document text
- https://komulobuzol.weebly.com/uploads/1/3/4/6/134618259/a962b82deee842.pdfIn PDF document text
- https://zujakeme.weebly.com/uploads/1/3/4/0/134041616/wiwadu.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/xukirizugukugi/bedofigafujiz.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7be2bcdf-60fc-48e6-8d24-493cb9b59141/wizexuzutedogi.pdfIn PDF document text
- https://static1.squarespace.com/static/5fdec0a62dcd53187f2068e5/t/5fdf0ce55809ae3434093cba/1608453350062/sphax_purebdcraft_1._14.pdfIn PDF document text
- https://s3.amazonaws.com/gixawetopoli/atal_pension_yojana_exit_form.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_off0000c0c5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC0C5 | 5536 bytes |
SHA-256: 7549c6c5e2e3f1aab20e5e56f6b17994cb5800afde5f794b2d786102f733c8c5 |
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font_01_sfnt_off0000d3b6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD3B6 | 10104 bytes |
SHA-256: 0e8c051678925993a6230432cada138631b1e865aff3da46b415c811686401fc |
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