MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, specifically for phishing and hosting a link farm. It contains numerous external links pointing to disposable domains and file-sharing services, suggesting an attempt to redirect users to malicious content. The presence of embedded URLs and the nature of the heuristics indicate a likely phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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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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://kuzutuzo.ru/wix?keyword=popular+mechanics+used+car+checklist PDF link annotation
- https://cdn.sqhk.co/retagigimusa/dDQVibF/tebilikige.pdfIn PDF document text
- https://sewetupowak.weebly.com/uploads/1/3/5/9/135971958/zudad.pdfIn PDF document text
- https://leruzifu.weebly.com/uploads/1/3/2/3/132302941/2197675.pdfIn PDF document text
- https://cdn.sqhk.co/jarutejip/JfFRgdB/14417639072.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4384851/normal_5fc75a94192dd.pdfIn PDF document text
- https://varipejat.weebly.com/uploads/1/3/0/7/130739080/50592dbecdc1.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4488346/normal_605fb9a071948.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4470038/normal_5fe7836fbd157.pdfIn PDF document text
- https://cdn.sqhk.co/soleximu/icjjVic/jowosexerugekogog.pdfIn PDF document text
- https://buwotudotep.weebly.com/uploads/1/3/1/6/131606539/4850223.pdfIn PDF document text
- https://cdn.sqhk.co/gukugifixija/ieJjdie/jemoluvogerojupososowef.pdfIn PDF document text
- https://cdn.sqhk.co/lewatesudo/g8H9r4L/68370659258.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4489245/normal_6002eca21a592.pdfIn PDF document text
- https://cdn.sqhk.co/letinumi/jhtiagi/living_alone_2_apk.pdfIn PDF document text
- https://mogisitubetaw.weebly.com/uploads/1/3/4/4/134496388/mafopixowitu-mofuzo-dezodefode.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/d360597c-1033-4786-925c-4f902aceef7d/fimivut.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d9c5de5a-3edc-4f72-925d-df49f4245fad/nojenazonesuxegen.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/618deca4-9166-4e94-8738-7dfb59faecc5/fargo_hdp5000_specs.pdfIn PDF document text
- https://s3.amazonaws.com/dudurat/what_are_the_types_of_literature_review.pdfIn PDF document text
- https://s3.amazonaws.com/jazamerijekufol/dakadeparebiwusatewaxi.pdfIn PDF document text
- https://s3.amazonaws.com/vezumobigodub/probation_presentation_template.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_off00010c22.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C22 | 5380 bytes |
SHA-256: 3e765b683899b84c1c6f6d68a6e3a24dacf72bba4d69256f8003a6fcaf801959 |
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font_01_sfnt_off00011e38.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E38 | 10680 bytes |
SHA-256: 5a745b8f6c5dc7fee75b7768c8d9098abd225bcc911bc1dba9170a733a8d60f3 |
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