MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by multiple heuristics and a machine learning classifier, specifically flagged as a redirector link and a link farm. It contains numerous embedded URLs pointing to external PDF documents, suggesting a tactic to manipulate search engine results or distribute further malicious content. The presence of a known malicious redirector URL indicates a high likelihood of phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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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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://yafferge.ru/123?utm_term=yamaha+side+by+side+1000cc In PDF document text
- https://cdn-cms.f-static.net/uploads/4372963/normal_60129a1b68ce6.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4463552/normal_60322a418ef44.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4382793/normal_6012925e92108.pdfIn PDF document text
- https://cdn.sqhk.co/wodaximewule/lgctVQn/vomifepukused.pdfIn PDF document text
- http://sikawejenidobux.iblogger.org/john_locke_an_essay_concerning_human_understanding_1690.pdfIn PDF document text
- https://durosokikiw.weebly.com/uploads/1/3/1/3/131379956/4708432.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4457320/normal_5fe734760c0d0.pdfIn PDF document text
- https://cdn.sqhk.co/sejiragidu/bYdhd3G/nukugipobemeli.pdfIn PDF document text
- https://pabarubuvu.weebly.com/uploads/1/3/1/3/131379718/8235158.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4408461/normal_5ff9c1b1f3454.pdfIn PDF document text
- https://powelogub.weebly.com/uploads/1/3/1/8/131871449/zisureg_waxafiraxo_zabuto_zowuj.pdfIn PDF document text
- https://disadoxamegipu.weebly.com/uploads/1/3/4/5/134527150/4955806.pdfIn PDF document text
- http://wurogutevifo.iblogger.org/dibunusekor.pdfIn PDF document text
- https://cdn.sqhk.co/tikalijit/jaiidhg/touchdraw_mod_apk.pdfIn PDF document text
- https://cdn.sqhk.co/nawakema/gfeWhjY/jowunukur.pdfIn PDF document text
- https://cdn.sqhk.co/nupepewomaxu/GgjgeKf/fall_guys_unblocked_tyrone.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4450896/normal_60077be5d995a.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://jenesigafepi.epizy.com/10286237535.pdfIn PDF document text
- http://puzufowos.epizy.com/seether_careless_whisper.pdfIn PDF document text
- http://felixoxajaxev.epizy.com/excel_freeze_panes_across_sheets.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_off0000ecce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECCE | 5448 bytes |
SHA-256: 42700bcf57f30710486a65e13b37a10a6725137539b31089e4fdab51a1b2ead2 |
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font_01_sfnt_off0000ff41.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF41 | 10904 bytes |
SHA-256: 8b04a8448f8e90ff9d63d0d14cd3b9510456c70a9c418d5292acac0959e4d9a5 |
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