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 0.9997
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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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://traffking.ru/aws?utm_term=advanced+excel+course+pdf+free PDF link annotation
- https://static.s123-cdn-static.com/uploads/4367959/normal_5fc4702be0f91.pdfIn PDF document text
- https://ritewelikuwu.weebly.com/uploads/1/3/4/4/134493798/b55939343.pdfIn PDF document text
- https://fakimodixoto.weebly.com/uploads/1/3/0/7/130739088/nobudogijimuwon-xifide-perapumaz.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4491946/normal_5fb37080bdeef.pdfIn PDF document text
- https://kanudepu.weebly.com/uploads/1/3/2/7/132740929/jivibusudatu.pdfIn PDF document text
- https://dubitofux.weebly.com/uploads/1/3/4/4/134458445/xilafodejiguvog_zosuz.pdfIn PDF document text
- https://pimetagedipimop.weebly.com/uploads/1/3/1/6/131636886/xoxukuruwajizobivo.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4448731/normal_5fc4331c96454.pdfIn PDF document text
- https://tedumuwoke.weebly.com/uploads/1/3/1/3/131397970/4620454.pdfIn PDF document text
- https://wofenexezut.weebly.com/uploads/1/3/4/3/134310974/5bdaa129835.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/0b26a8da-9b66-4dad-8ccc-1d9bbc5f7727/sobre_verdade_e_mentira_no_sentido_e.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5e922c14-27af-46b9-9b5a-c588f302f0bc/famosixexa.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1fe16837-b06d-45c5-8e19-1c8ec4e5f91f/bachman_turner_overdrive_concert_sch.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b195b59d-b73a-49f0-b48f-4f9ddca63c41/21529910947.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3dec5110-6f41-433c-a47c-2d1e8592c0ba/94187296245.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/bac5b9d9-d783-4b30-aff1-26947d3caa69/bokigedifozenutobepawuzi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/56c4bede-fe32-42df-9eeb-a7b3889edc4f/31874975873.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001011f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1011F | 5268 bytes |
SHA-256: dbd7a0237ae75e384115cc1cea5a9622521c379b6e8d6b8d98eca19db14c8f03 |
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font_01_sfnt_off00011323.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11323 | 11192 bytes |
SHA-256: 5e3a575b32e6bfe2f07bef1c2675e7f418d2069ac4e5e1e1b8e0cb4abc36f046 |
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font_02_sfnt_off00013965.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13965 | 16316 bytes |
SHA-256: 17f4de92c7a3bbb5a9186b5540cb7e6a4181f3de54754bcdb3ad270fce1707d5 |
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