MALICIOUS
206
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains a large number of external links, many hosted on disposable domains, suggesting a link farm or phishing campaign. The ML classifier and ClamAV detection strongly indicate maliciousness. The heuristic 'SE_CALLBACK_LURE' suggests a potential phishing pretext, and the presence of embedded URLs points towards an attempt to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 7
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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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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=what+happens+if+you+receive+a+fake+check PDF link annotation
- https://cdn.sqhk.co/pepitaji/j1NeYK5/cool_blender_projects.pdfIn PDF document text
- https://cdn.sqhk.co/laxepinam/cS3gcgg/samorinusivamorefovepovu.pdfIn PDF document text
- https://leresawukulet.weebly.com/uploads/1/3/1/3/131384076/7858501.pdfIn PDF document text
- https://cdn.sqhk.co/suwajipufo/jMnW6ii/gmail_create_an_account_for_free.pdfIn PDF document text
- https://pofemazavuson.weebly.com/uploads/1/3/2/3/132303373/8821758.pdfIn PDF document text
- http://noxodexuvalolum.iblogger.org/63416054644.pdfIn PDF document text
- https://lareduna.weebly.com/uploads/1/3/1/4/131453109/gaxojobakewik_bijuguvekamar_vugofonepu.pdfIn PDF document text
- https://cdn.sqhk.co/jekunesoru/hajh0fi/96642700315.pdfIn PDF document text
- https://cdn.sqhk.co/feketukadoz/hdhhyd2/horizon_t303_treadmill_australia.pdfIn PDF document text
- https://wanusasa.weebly.com/uploads/1/3/1/0/131070791/5410278.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/mogedozara/60396312675.pdfIn PDF document text
- https://d896c2b7-539c-4146-aa8a-b39d26e096d8.filesusr.com/ugd/a98ecc_a2e14ea8465b417b88b60798fcc83baa.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/pizivurapab/88026236672.pdfIn PDF document text
- http://luviwozota.rf.gd/cognitive_behavioral_therapy_techniques_for_retraining_your_brain_review.pdfIn PDF document text
- https://s3.amazonaws.com/vokeri/vuzekigez.pdfIn PDF document text
- http://zaguvigijosev.epizy.com/74864710343.pdfIn PDF document text
- https://52b03d57-94e3-497b-b2ee-5a576b8f136c.filesusr.com/ugd/67ae49_6151374998bd408694b79ecded9b828f.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/fowonaxul/du_ug_admission_form_2018-_19.pdfIn PDF document text
- http://dupikupujetilu.rf.gd/50057163765.pdfIn PDF document text
- https://s3.amazonaws.com/mokixetat/medios_de_comunicaciones_orales.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_off0000e7f7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7F7 | 5312 bytes |
SHA-256: c18483fce6c533613052ce9bf100a0e3e72ae8053ae64def0899678d0ed0f2eb |
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font_01_sfnt_off0000fa1e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA1E | 10636 bytes |
SHA-256: 1aeb769804f33217be2bfddda89253dd4964b94457e78e73ccacd99d824dd04d |
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