MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous external links, with one heuristic specifically identifying a 'PDF_SEO_LINK_FARM'. The presence of a ClamAV detection for 'Pdf.Phishing.Trojan' and ML classification further indicates malicious intent. The document body, though heavily obfuscated, contains text related to 'Wahl trimmer power cord' and 'wkhtmltopdf', suggesting a lure to disguise the malicious nature of the PDF. The primary IOC is the suspicious domain 'kuzutuzo.ru'.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 6
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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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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://kuzutuzo.ru/strik?utm_term=wahl+trimmer+power+cord
- https://cdn-cms.f-static.net/uploads/4454429/normal_600b01c6301a7.pdf
- https://static.s123-cdn-static.com/uploads/4454043/normal_5fcf2ec18ab69.pdf
- https://static.s123-cdn-static.com/uploads/4366382/normal_5febb5ed3ef82.pdf
- https://cdn-cms.f-static.net/uploads/4367622/normal_606318bb998bb.pdf
- https://static.s123-cdn-static.com/uploads/4381752/normal_5fdf4560e28f9.pdf
- https://cdn-cms.f-static.net/uploads/4489245/normal_603857b54ceba.pdf
- https://cdn-cms.f-static.net/uploads/4414156/normal_6064412c0c895.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://uploads.strikinglycdn.com/files/1918264d-e438-4e7a-a7cc-648e39a8d0a1/examples_of_recursive_functions_python.pdf
- https://44879a12-c10a-431c-a98a-7de142752d0f.filesusr.com/ugd/bb4607_65ef34f746d44361b56b7f8e173b6a5a.pdf?index=true
- https://uploads.strikinglycdn.com/files/729be9a6-4efb-4e23-9a90-6bed41798e31/brookstone_wireless_speaker_price.pdf
- https://uploads.strikinglycdn.com/files/a170751d-e01d-4c4a-8ac1-5bc01e50c432/gone_with_the_wind_sequel_1991.pdf
- https://uploads.strikinglycdn.com/files/995e38c7-bc1f-4559-8060-c5d6def31886/64966620585.pdf
- https://uploads.strikinglycdn.com/files/e9bfa86f-6e6f-4c90-8613-b8b49d6dfe14/eye_of_the_beholder_dd_movie.pdf
- https://c3d762b3-5d50-4891-ab6d-43710edd2423.filesusr.com/ugd/3254bf_95ffa416137f4e9aac414a681c86f1da.pdf?index=true
- https://uploads.strikinglycdn.com/files/b29775d7-d765-4b51-b360-dffe2f875e8a/tactics_greg_koukl_amazon.pdf
- https://uploads.strikinglycdn.com/files/ca9db7b2-102a-45e8-9e49-918a1716a068/how_to_start_craftsman_2800_power_washer.pdf
- https://uploads.strikinglycdn.com/files/baa7e60f-3400-4008-ad3b-0b0a5fe09c7c/juragogipozodedanisetemos.pdf
- https://eb72eaa1-ef55-40a3-a653-f6d21bccf295.filesusr.com/ugd/54913d_a7ec856af1174b52b52d85a7583d66ea.pdf?index=true
- https://uploads.strikinglycdn.com/files/e2d0d359-263f-46e9-8636-2dc6759f0471/72527337197.pdf
- https://uploads.strikinglycdn.com/files/baf8d0d4-ea4f-471c-93de-98f6937eae5b/2005_dodge_ram_1500_4.7_power_steering_pump.pdf
- https://uploads.strikinglycdn.com/files/ffdf0093-d00a-4170-a652-7b24e10adebb/is_the_kings_speech_movie_based_on_a_true_story.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_off0000d204.bin13bfb7f3cd92742423870d0925bbf7fc3c3efe80b47fa9a91b05886a7dff12a9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD204 | 4924 bytes |
font_01_sfnt_off0000e2cf.bin75dff7c561797f1ebc64a8b00e25e68da5457086f6387229b88c17968a4fba89 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2CF | 11172 bytes |
font_02_sfnt_off000108f2.bincd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108F2 | 4324 bytes |
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