MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. It uses an urgency-based lure. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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/strik?utm_term=saeco+coffee+machine+service+uk PDF link annotation
- http://tivunuvuzamiguj.22web.org/97433384240.pdfIn PDF document text
- https://cdn.sqhk.co/jenojigise/V4ggifJ/50_15_in_simplest_form.pdfIn PDF document text
- https://cdn.sqhk.co/daxerarugak/EigqjeN/8895300737.pdfIn PDF document text
- https://tedarotola.weebly.com/uploads/1/3/1/4/131482933/936ae.pdfIn PDF document text
- https://cdn.sqhk.co/figesuweno/HhgkygC/jumikadoborokevejake.pdfIn PDF document text
- http://rapalafipotofuw.iblogger.org/fibrosis_qustica.pdfIn PDF document text
- https://belexikezetuvom.weebly.com/uploads/1/3/0/7/130775063/kugivok_boboz_puneg_rujojuromikuwug.pdfIn PDF document text
- http://magewedidi.iblogger.org/67656187932.pdfIn PDF document text
- https://cdn.sqhk.co/dabekojov/jLghgif/apgli_application_form_andhra_pradesh.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/3a7021b5-b6d2-4580-ad8e-f5f46cf7a745/zyxel_pk5001z_modem_reviews.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f7d7215d-c1b5-490a-9ede-301121120620/gumesisirezupovuzuzudil.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d309b2c8-b30d-43f4-995c-6de0206993dc/20503723094.pdfIn PDF document text
- http://pewizofiwerobep.rf.gd/avast_premier_2018_offline.pdfIn PDF document text
- http://jajunegetilu.rf.gd/bosch_series_4_dishwasher_owners_manual.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6207af89-1069-440a-8c00-ae1776232356/98314091985.pdfIn PDF document text
- http://denawovusu.rf.gd/sikofugasinisuvo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/64caeb40-7ab1-4205-85a9-da3993fa6aa4/59785486114.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2e855193-f112-4bad-9611-e94ee01ce01b/bobiguvapanukud.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e6e75397-7123-4b9f-8f23-fcc05e239078/fapepunitusulasof.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6e798aa7-4b8f-438f-bbfa-17f53520347a/kirin_970_release_date.pdfIn PDF document text
- http://vedalutepex.rf.gd/ruzutokifuzetij.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2003b8a2-f3d1-4974-ac1d-dd252f3473ee/special_education_assistant_job_description_resume.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_off0000ee22.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE22 | 5316 bytes |
SHA-256: 1a1dd44d249bf7f25701273ff6a7edb5d63bf7318c1ce3ac0a224ab5678e6b9d |
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font_01_sfnt_off00010017.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10017 | 10600 bytes |
SHA-256: 59390afafa21554278ca5da3de4dab3f23300b2e5b900de4ab58b99d77570254 |
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