MALICIOUS
206
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of external links, many hosted on disposable domains, indicating a link farm designed to direct users to potentially malicious content. The 'SE_CALLBACK_LURE' heuristic suggests a phishing or tech-support scam pretext. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 7
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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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://bologen.ru/strik?utm_term=how+to+find+shark+teeth+myrtle+beach PDF link annotation
- https://cdn-cms.f-static.net/uploads/4461744/normal_6014e3f589ad6.pdfIn PDF document text
- https://nefabilaj.weebly.com/uploads/1/3/1/4/131438225/nimemowit-muzemegudem-lamuzubofo-kiminukid.pdfIn PDF document text
- https://xinufagepowe.weebly.com/uploads/1/3/4/4/134437511/safipinituxurof.pdfIn PDF document text
- https://siwusoxol.weebly.com/uploads/1/3/4/5/134584737/safimak_sabirorik.pdfIn PDF document text
- https://zolopopi.weebly.com/uploads/1/3/3/9/133999976/6204526.pdfIn PDF document text
- https://bofuvuwowu.weebly.com/uploads/1/3/1/8/131856225/wituvuf.pdfIn PDF document text
- https://xonidaxu.weebly.com/uploads/1/3/4/3/134319292/vipufixogira_kajagogizexegil_govaxopipi_bepek.pdfIn PDF document text
- https://vojosapixetogal.weebly.com/uploads/1/3/4/7/134770394/727972.pdfIn PDF document text
- https://gujetorepirun.weebly.com/uploads/1/3/4/5/134502828/xakuno-jonumurepazib-zutaxevivuzo-zevazixajalad.pdfIn PDF document text
- https://puwukozo.weebly.com/uploads/1/3/4/5/134587621/lufofaludumoworoki.pdfIn PDF document text
- https://dopupuwupexiro.weebly.com/uploads/1/3/0/8/130813117/titumun-duneso.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4464527/normal_5ff4a75341363.pdfIn PDF document text
- https://firedilem.weebly.com/uploads/1/3/1/4/131407958/fadave.pdfIn PDF document text
- https://narobukedezupe.weebly.com/uploads/1/3/0/7/130738621/9516702.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://uploads.strikinglycdn.com/files/60e7bae5-56ce-45fd-a281-804c72acd33c/4862165698.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2dc0ce33-33ba-47f0-a54a-8cbc3a36c42a/37426157317.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d36c1e45-600c-4ccf-942e-be53e7748c3e/61933137331.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/dc5ce11b-58a1-4281-9f69-2fad5cbd69e7/ensayo_el_monje_que_vendio_su_ferrari_introduccion.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000eafe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAFE | 5408 bytes |
SHA-256: a20e4249fba8656f20ae829a14e494975616a94f418315a584a548fd1ed239c3 |
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font_01_sfnt_off0000fd47.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD47 | 10748 bytes |
SHA-256: 15a837ac1e3fd6019d65e4ee834f07b8564ca82313a5f69f74ebcc9495266617 |
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font_02_sfnt_off00012225.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12225 | 4324 bytes |
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e |
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