MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, many pointing to disposable domains, indicating a link farm or SEO abuse. ClamAV and ML classifiers flagged the file as malicious, specifically as a phishing trojan. While no scripts were extracted, the PDF structure and embedded URIs suggest it's designed to redirect users to potentially malicious content, aligning with spearphishing attachment tactics.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://golowaki.ru/strik?utm_term=mendelian+genetics+review+worksheet+answer+key PDF link annotation
- https://zokofefedepop.weebly.com/uploads/1/3/1/4/131437243/forawidadusefotofu.pdfIn PDF document text
- https://wivusogonelom.weebly.com/uploads/1/3/5/3/135310870/bigodekuvopo.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4470678/normal_602e03a8ddef5.pdfIn PDF document text
- https://xedutorapul.weebly.com/uploads/1/3/0/8/130813372/zapixipubigiwus_ruzurod_bokef_lowuniko.pdfIn PDF document text
- https://femomupine.weebly.com/uploads/1/3/4/4/134458898/kijorita-mumoxifavore-rolokapizezida-dogadodiw.pdfIn PDF document text
- https://jexisaguratoka.weebly.com/uploads/1/3/1/4/131409442/75bbecad98ffe.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4490736/normal_604b891b57518.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4390095/normal_604707448394f.pdfIn PDF document text
- https://karoxenerom.weebly.com/uploads/1/3/0/7/130739074/6343543.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/1960169c-a5c8-46d3-9fd1-27e0ead1dd9a/toastmaster_bread_maker_1195_manual.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/61d214ec-4c8a-4be9-a51b-905592fe9cde/junji_ito_collection.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c686bc9f-46fc-42d7-8ce1-f870fe6e9593/91883418433.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/68be5a2b-b723-44bb-92e3-8f32e5515d24/technical_writing_by_bn_basu_free_download.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/67b4a8f8-058c-45ec-a4c2-25c9b8f5bb6f/edge_of_darkness_everything_is_illegal_in_massachusetts.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/189e49fe-20fd-4c75-9272-78efe94045b9/how_to_wake_up_the_little_piggy_brain_out.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/82493044-06ff-423e-9448-ae944d0785db/baofeng_bf-f8hp_manual_espaol.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2d7615ad-1a8e-4daa-be59-464820fb29de/will_they_make_an_eragon_2.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/51b3b51a-9c49-44cc-963d-c575d5cc5d95/13310817732.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/681aa173-d064-4edc-9865-6a2323cf051c/is_goat_simulator_split_screen_on_xbox_one.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b689091e-c3b5-4b46-bfe3-08b8f80de02a/how_to_install_dymo_labelwriter_4xl_on_mac.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_off0000f944.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF944 | 5524 bytes |
SHA-256: 77f04dd55f086cc06aa96ddb02b1c1fbe4bf369bcd0bc1953c96ca29f7626910 |
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font_01_sfnt_off00010c2a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C2A | 11132 bytes |
SHA-256: dd49c09ec0244af62719408aa35879735a0bcbbde757de506b6a79a8fbf46c2d |
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