MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains a large number of external links, identified as a link farm. This is supported by the PDF_SEO_LINK_FARM and PDF_SEO_DISPOSABLE_LINK_FARM heuristics. The ML classifier and ClamAV also flagged this file as malicious, specifically as a phishing trojan. While no scripts were extracted, the presence of numerous links suggests a phishing or malicious redirection attempt, potentially leading to further malware downloads or credential harvesting.
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://huntic.ru/pbw?utm_term=ib+history+hl+syllabus PDF link annotation
- https://static.s123-cdn-static.com/uploads/4403673/normal_5fcf60176110c.pdfIn PDF document text
- https://bidiguregila.weebly.com/uploads/1/3/4/7/134700143/6707491.pdfIn PDF document text
- https://pirebuvix.weebly.com/uploads/1/3/2/7/132710697/mijimilubagire.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4403684/normal_604ae9ecd4e57.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4488323/normal_601e39b1e2cdc.pdfIn PDF document text
- https://bugupogif.weebly.com/uploads/1/3/4/7/134766918/pebonovekuti.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4373240/normal_60251bcced79d.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4413982/normal_6002590d018cd.pdfIn PDF document text
- https://fulafokowezoje.weebly.com/uploads/1/3/4/3/134384829/1f905.pdfIn PDF document text
- https://pitudonela.weebly.com/uploads/1/3/5/3/135323021/146d4ac2a5f95.pdfIn PDF document text
- https://kejarokelevu.weebly.com/uploads/1/3/5/2/135297316/1724038.pdfIn PDF document text
- https://vesovagesigopek.weebly.com/uploads/1/3/4/6/134614223/wasole_wizurakapa.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4393204/normal_60199f4ce0b63.pdfIn PDF document text
- https://wifirinopemuv.weebly.com/uploads/1/3/4/7/134762260/3ee2f4139f3.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://uploads.strikinglycdn.com/files/df79d62a-cd70-4824-a881-9cca079460cf/wr30m_watch_turn_on_alarm.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2a4f3877-e40a-43b3-ac35-89ce50acdc9a/how_to_make_an_appointment_to_take_the_drivers_test.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ef688cb3-9dcd-408a-9a36-dd0a3878fbee/46643671778.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/61c0d82d-6b97-45da-8b36-10f4b9bd3a00/o_que__titulo_de_credito_improprio.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/07790149-fdee-415d-8206-eb737818c8c6/tunag.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1700c172-2472-4849-bb61-ed2b5ba4afe8/607203034.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f654.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF654 | 4612 bytes |
SHA-256: 50d14e7f7444b6189f6e994352d3052dfa4a03f088d7f9e3d85764d9e42e619f |
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font_01_sfnt_off000105ff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105FF | 11196 bytes |
SHA-256: d87fd1dc31adebe3b22745e73e042cc73672ba50392791e750a3d512e84c6ef5 |
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font_02_sfnt_off00012beb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12BEB | 4324 bytes |
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
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