MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF document contains a large number of external links, with at least one pointing to known malicious redirector infrastructure. The presence of numerous links, many hosted on disposable domains, suggests a link farm designed to distribute malicious content or facilitate phishing. ClamAV detection and ML classification further support its malicious nature.
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/aws?utm_term=fiora+guide+reddit In PDF document text
- https://xirofagoxo.weebly.com/uploads/1/3/4/5/134576207/nodebabofonipet-borema-lepugidozeze-nijubiwudinegad.pdfIn PDF document text
- https://gepavemu.weebly.com/uploads/1/3/4/8/134861499/rusobotone-nopidogugu-ladobaridawi-bemofaxef.pdfIn PDF document text
- https://vadutebo.weebly.com/uploads/1/3/4/8/134889136/6796954.pdfIn PDF document text
- https://gemaxudemaxepeb.weebly.com/uploads/1/3/1/0/131070646/010f035b21e9f.pdfIn PDF document text
- https://gowubezu.weebly.com/uploads/1/3/4/4/134497845/miwidiwusejogujoni.pdfIn PDF document text
- https://fijojonibiw.weebly.com/uploads/1/3/2/6/132681787/xelikanotuzifaja.pdfIn PDF document text
- https://gafanotode.weebly.com/uploads/1/3/4/5/134576189/9ad8ab5.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/megodipewukitoj/wogopakebuzod.pdfIn PDF document text
- https://s3.amazonaws.com/gewuwasi/navarejubelegufekidaze.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/20a6fb76-6b21-4be5-88bd-b63ab41f54eb/jexezotaru.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9796931f-1741-457d-8f0a-b799cb6b9d80/piercing_en_la_nariz_mujer.pdfIn PDF document text
- https://static1.squarespace.com/static/5fc792f4c89b935f15e2e9e3/t/5fc87664d6e0cc37e33dd427/1606973036938/tepomatusezumek.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6e963d55-c47a-4ae0-94f8-f36d1474f1b7/gifted_parents_guide.pdfIn PDF document text
- https://static1.squarespace.com/static/5fc566d10b6b03258f537d87/t/5fce378fcded405bb803d6c2/1607350160362/vivumiruz.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_off0000f4ac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4AC | 4740 bytes |
SHA-256: cfa2c4c110a65bfac1d9e09825608b613d9a2b7a9a42f9e277996f50afde1016 |
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font_01_sfnt_off000104dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104DC | 10352 bytes |
SHA-256: d0882efaa508fde2089defb0a321302bf4ac5fc220fcfcad35dcce752f711952 |
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