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://jumiwimov.ru/wix?keyword=apk+amp+player PDF link annotation
- http://bunezafax.22web.org/12978919707.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369764/normal_605546b1bb4f4.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4450034/normal_604309c3bc340.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4391037/normal_603717ee35722.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://8d59741e-369e-44be-b01e-8fbcb09d2d01.filesusr.com/ugd/7cefa9_0ce2e6cd06b54942b53cda330cfb3b93.pdf?index=trueIn PDF document text
- https://033a7475-7ccb-45c1-8f1e-38fd320d48d0.filesusr.com/ugd/03a576_169a2ebfa549460ca011ba569458af50.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/latufenaw/84846897996.pdfIn PDF document text
- https://78a3f932-2eca-4366-91b9-d52a2f3c5f58.filesusr.com/ugd/a586f9_3d30cb3c7522404c901098e5e50223e4.pdf?index=trueIn PDF document text
- https://de99934f-f465-4d69-af5e-14f317c0a7c6.filesusr.com/ugd/4fea5c_34bd345744cc4a1f83ed18ba0f84fb22.pdf?index=trueIn PDF document text
- http://wisigisovet.rf.gd/shankara_song_pagalworld.pdfIn PDF document text
- https://s3.amazonaws.com/memobofilenabon/53987424481.pdfIn PDF document text
- https://254b3b0b-79dc-4992-827c-fd4bb3db3178.filesusr.com/ugd/f515ca_cf92160fba084c72ab314a8c5b94e0f1.pdf?index=trueIn PDF document text
- https://edefa294-c65c-46c5-840b-8a4669b9fdfe.filesusr.com/ugd/e4a001_cd1b3d8328b04c2ba68480b5fd19aff9.pdf?index=trueIn PDF document text
- https://1b65b899-5fad-42bd-af9e-a3fb1d6a4c80.filesusr.com/ugd/a2ebd8_53ab80b92b764c8193974d4df47610e7.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/wozoxub/gosumerovominepawujar.pdfIn PDF document text
- https://d4f4546a-a836-4b3d-8651-c56b89608eca.filesusr.com/ugd/3e9e83_980f8ab131c44a4e912677eefbad25ab.pdf?index=trueIn PDF document text
- https://1f571a09-6495-4108-bd1a-9715deae29b5.filesusr.com/ugd/b0bf26_f58735b555754099aed8433a955d3ff2.pdf?index=trueIn PDF document text
- https://f13dd0f9-fe0a-4257-a88d-d9af1a1cf0e3.filesusr.com/ugd/d954c5_4117bd42430b464ab19156b6211734d8.pdf?index=trueIn PDF document text
- https://b3a1a1c9-4f8f-4fb8-b7cc-7339030cc889.filesusr.com/ugd/162fe6_709484f8899945debc0376a06cc10c80.pdf?index=trueIn PDF document text
- https://2489a575-72f7-492f-b117-28cfe4a4d2a3.filesusr.com/ugd/d81705_5afbd0beaeef485aa8e6262b89a105cd.pdf?index=trueIn PDF document text
- https://29bb9f0a-cb36-4278-8b1c-05d86a2267e4.filesusr.com/ugd/25e746_20ab7d3ee276431dbc3b1b4a3d7793f6.pdf?index=trueIn 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_off0000fb88.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB88 | 4940 bytes |
SHA-256: 4de63905efa1edfce2e2660d7a09bf1017a732203efd78b87e56b03e978b8bf3 |
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font_01_sfnt_off00010c4f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C4F | 22148 bytes |
SHA-256: 663c818ec132634a4bad6f312a9e1b907f8fad468b65d8c3ed1cc39c8da4f3d9 |
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