MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded URLs, with a primary lure related to "Chicago manual of style 16th edition footnotes" pointing to a suspicious domain. Heuristics indicate this PDF is a link farm on disposable hosting, and ClamAV detection confirms it as a phishing trojan. The presence of embedded URLs suggests an attempt to redirect the user to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 5
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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 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://vilenefex.ru/123?utm_term=chicago+manual+of+style+16th+edition+footnotes
- https://cdn-cms.f-static.net/uploads/4484806/normal_5fe7e1636b3f7.pdf
- http://kokilubowo.22web.org/abdul_kalam_images_hd.pdf
- https://cdn-cms.f-static.net/uploads/4449603/normal_5fd7a9862080e.pdf
- https://cdn.sqhk.co/zasemewiti/gjpfgcO/new_home_party_gift_ideas.pdf
- https://cdn.sqhk.co/kawonidoza/gjhiagc/vitacost_coupon_code_september_2020.pdf
- https://cdn-cms.f-static.net/uploads/4448976/normal_601220fe55194.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://jaxifepuxebadin.epizy.com/jawbreaker_clothing_size_guide.pdf
- https://s3.amazonaws.com/zebarufuridorur/measurement_conversion_metric_to_metric_worksheet_answers.pdf
- https://uploads.strikinglycdn.com/files/cd60bb5a-9dd7-484f-bfc8-2ca0e7a8ff41/does_bowflex_revolution_fold_up.pdf
- http://xowegitonazip.epizy.com/bodututufosuzovexo.pdf
- http://bexatati.epizy.com/lepodivujupuv.pdf
- https://s3.amazonaws.com/bidemewufa/98493006082.pdf
- https://uploads.strikinglycdn.com/files/4bf9b8bc-c22b-4a4a-b774-4790c7051147/gosisefu.pdf
- https://s3.amazonaws.com/zafirawit/miwuxada.pdf
- https://uploads.strikinglycdn.com/files/9d7e0ab8-c467-4e5e-beeb-e1eb7955030f/xizixusumibuvejeti.pdf
- http://lidufaz.epizy.com/anti_aliasing_techniques_in_computer_graphics.pdf
- http://jakezijaredu.epizy.com/2018_calendar_october_template.pdf
- https://uploads.strikinglycdn.com/files/25d512a7-37a7-43d6-be6e-2dfaccdc7845/statistical_methods_for_machine_learning_jason_brownlee_github.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fd84.bin59acf262b5349b9480fbbd4feb8d553baf9544036c4b2aae5d7f14aa89671781 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD84 | 79268 bytes |
font_01_sfnt_off0001e6cc.bin869753c0c39c82e818b98384cbd9a78788bcaf958366b98a69905e2d7b7d1b5b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1E6CC | 5552 bytes |
font_02_sfnt_off0001f999.bin7c7df42c48033d9c0362322f57e8ecf4a03617796f1e46a3a85d65a0dec46e49 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1F999 | 10908 bytes |
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