MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by multiple heuristics as a link farm, with a critical alert for a mass external PDF link farm. The ML classifier and ClamAV also identified it as malicious, specifically as a phishing trojan. While no scripts were explicitly extracted, the PDF structure and embedded URLs suggest an attempt to redirect users to potentially malicious content, aligning with spearphishing tactics.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://static.s123-cdn-static.com/uploads/4418170/normal_5fc5b84fdb53d.pdf In PDF document text
- https://zixixowiw.weebly.com/uploads/1/3/4/6/134605173/4496425.pdfIn PDF document text
- https://lenudigibelap.weebly.com/uploads/1/3/7/4/137499492/4dc7d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4465387/normal_606cc6fea09dc.pdfIn PDF document text
- https://besuxape.weebly.com/uploads/1/3/4/3/134374749/1710143.pdfIn PDF document text
- https://rasisepuwefu.weebly.com/uploads/1/3/4/6/134678142/5c060064f0.pdfIn PDF document text
- https://kotageluvo.weebly.com/uploads/1/3/4/6/134652464/voromipavetewavuwogi.pdfIn PDF document text
- https://mazefitarunakur.weebly.com/uploads/1/3/1/4/131453858/kedozawetotidex.pdfIn PDF document text
- https://zotexujefu.weebly.com/uploads/1/3/4/3/134322023/legudijij_rigiwevo_devirerolikidi.pdfIn PDF document text
- https://jiwedizuku.weebly.com/uploads/1/3/4/3/134310564/4266528.pdfIn PDF document text
- https://saxunerafoku.weebly.com/uploads/1/3/5/3/135312656/d1266.pdfIn PDF document text
- https://static.s123-cdn-static-d.com/uploads/4370547/normal_60b365bcb5068.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://feedproxy.google.com/~r/wb/ENAH/~3/jJyWpsOf3IE/wb?keyword=american%20hunter%20feeder%20battery%20installationPDF link annotation
- https://uploads.strikinglycdn.com/files/dc884b11-62d3-439a-a686-ced34b9b8e12/how_to_deal_with_anger_issues_in_a_relationship.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/bc9500b6-d25f-4915-9e3b-52876790da05/xivutakaru.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/48879c7c-7e83-4b81-9bdb-fb2b507399e3/8_ball_pool_cheats_iphone_2020.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7a05b34c-51c8-4585-aaf0-d03c298684d4/momuluvejilatunadigeluxa.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/cb7de960-1e8a-4575-ba71-fd35d6bd0b3f/benamej.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/71e8880d-0864-4d00-87d0-abdb199e5628/24596866262.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2f272e3f-617b-42d3-8f84-26b7b294deba/the_lightning_thief_original_cast_recording_download.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/708b8d86-32be-49c1-8a6b-5200dc3ecee9/85636855570.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8533f913-8d68-431e-a753-38b84a5e5ee0/how_to_reset_motorola_phone_metro_pcs.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_off0000dff8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFF8 | 5492 bytes |
SHA-256: 5822dae74dfcc05ca13b7582018c1d1b7acfc007d8102542cc5927b4353f3bab |
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font_01_sfnt_off0000f281.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF281 | 11268 bytes |
SHA-256: 94dd63eeaa6b709437ee14f66b134ce3e575138e71f5b4cab04c21d94e5a741e |
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