MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. 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 0.9993
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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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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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://inwebjor.ru/pbw?utm_term=how+do+you+write+a+proof+of+address+letter PDF link annotation
- https://fotekexilinita.weebly.com/uploads/1/3/4/2/134235887/6662537.pdfIn PDF document text
- https://sozivaxuzafuzi.weebly.com/uploads/1/3/1/8/131856435/xudager.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4476268/normal_5feef9d113410.pdfIn PDF document text
- https://sitoluvumoroge.weebly.com/uploads/1/3/4/7/134762666/gewurilesuz.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4387821/normal_5fe9373922508.pdfIn PDF document text
- https://kejobogufepemis.weebly.com/uploads/1/3/0/7/130775396/kuzuvokogafideg_fivebobik_lubedesu.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4420752/normal_603eaa4e92f96.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4445103/normal_5fed1e7dad9b6.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4505358/normal_60550ad666d27.pdfIn PDF document text
- https://pedasivu.weebly.com/uploads/1/3/5/3/135387907/zoxabawuxi-kalilira-gubiko.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4473030/normal_601540a71466d.pdfIn PDF document text
- https://vipeketiduwe.weebly.com/uploads/1/3/1/6/131636725/gutututabobobusu.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369309/normal_601588bb754bc.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4474723/normal_5fcb2b2a7bd3c.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4462727/normal_5fcaa3f8a498c.pdfIn PDF document text
- https://loxufoxoxow.weebly.com/uploads/1/3/5/9/135982175/fidirirote-dixipixomevi-surakabesegunu-lisugajew.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/d3bd4fe3-1401-427b-ba8f-3a85c762cd4e/msi_n1996_motherboard_driver_software_free_download.pdfIn PDF document text
- http://zotugon.pbworks.com/w/file/fetch/144637242/nwedi_on_bank_statement.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/12fe4e8b-c954-447d-a122-3de86cefa2bd/6068478518.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8c99f087-5f55-42f9-a0a8-afbf5938c083/kavoxamijetukikumos.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0710af76-a00a-4cdf-8a75-0160db36aee1/jazumamovekefu.pdfIn PDF document text
- http://tovemubu.pbworks.com/w/file/fetch/144711027/free_slot_machines_games_no_download_no_registration.pdfIn PDF document text
- http://jajisaparev.pbworks.com/w/file/fetch/144420258/cif_volleyball_score_sheet_instructions.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_off0000e027.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE027 | 5188 bytes |
SHA-256: 5568a27d8ddd753b8131233b0b7d0cdfb0c959bfe46c4d753ac155a898a11e22 |
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font_01_sfnt_off0000f1f2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1F2 | 10120 bytes |
SHA-256: fdb7eea2a6efca53f1b0fe746c4baeb37131a25517861d40b9bfcd8393ffb7d3 |
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