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 0.9997
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://synerhu.ru/pbw?utm_term=gate+2013+electrical+question+paper+with+solution PDF link annotation
- https://cdn-cms.f-static.net/uploads/4476751/normal_604cbbf335454.pdfIn PDF document text
- https://vuzigalami.weebly.com/uploads/1/3/5/9/135960382/9188911.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4383586/normal_60bb87d05e3b4.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4464070/normal_5ff8f49ec198a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4419236/normal_602b5390ebcd0.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4477637/normal_5fe3ec450736b.pdfIn PDF document text
- https://mulafixi.weebly.com/uploads/1/3/4/3/134317856/nelisun.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4385648/normal_602732293715b.pdfIn PDF document text
- https://xijanejomasug.weebly.com/uploads/1/3/4/5/134506458/5321055.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368996/normal_6012a787eb6a9.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4416504/normal_605f53891456a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4443610/normal_602d4bab59f33.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366042/normal_5fe87ccc2115c.pdfIn PDF document text
- https://tavumake.weebly.com/uploads/1/3/2/7/132740551/7811336.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4376375/normal_605302b61b97d.pdfIn PDF document text
- https://niraniki.weebly.com/uploads/1/3/4/6/134662237/19671fc7b636.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/2cdf3922-7890-4f23-8d97-018319fc6236/best_beretta_92fs_concealed_carry_holster.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/97e53ccf-6b6d-4258-ac98-79231b47ac56/what_includes_words_and_phrases_that_appeal_to_the_five_senses.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e15b7221-efc8-4f5c-b838-bd787a210469/how_to_interpret_piano_notes.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/472cb5ac-c9aa-422f-bde1-68bb5df65110/strength_training_exercises_for_runners.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e3ba5cf5-fbcc-4a55-a72b-4c6857f504d4/legenasi.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_off0000e496.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE496 | 5760 bytes |
SHA-256: 21b02686e51a11d856b00a8c39310c31791a9a6fa0d3d9fc7572c9759b5dc583 |
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font_01_sfnt_off0000f84b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF84B | 11052 bytes |
SHA-256: 37b0e153e1720922371c9a6971387a60f6bbb81145a9ea45f634d9fcd111d4d6 |
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