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 0.9992
Heuristics 6
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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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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://kuzutuzo.ru/strik?utm_term=what+are+some+freaky+would+you+rather+questions+reddit PDF link annotation
- http://dipunag.getenjoyment.net/documento_nacional_abraman_2020.pdfIn PDF document text
- http://dipunag.getenjoyment.net/95803958273.pdfIn PDF document text
- http://virivuluk.getenjoyment.net/89999695891.pdfIn PDF document text
- http://supariwepexafat.mywebcommunity.org/vogewekabuvuxami.pdfIn PDF document text
- http://beduzevitugok.mypressonline.com/6920878064.pdfIn PDF document text
- http://winovigamaj.mygamesonline.org/adjectives_worksheets_middle_school.pdfIn PDF document text
- http://dizurexemubegog.mygamesonline.org/39537741464.pdfIn PDF document text
- http://zatutajijiti.getenjoyment.net/vumifosejogutasus.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/xalexojaxipud/how_many_calories_are_in_a_burger_king_whopper_with_cheese.pdfIn PDF document text
- https://e1cf253b-b3af-4135-a675-1c3c021177f9.filesusr.com/ugd/111c46_2d6e3f5cf6584d4f9bc5fb75c514f345.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/9d2a3434-5cb3-4441-9b10-37bf4775b1a9/xonegilexopimosexi.pdfIn PDF document text
- https://s3.amazonaws.com/penefelomiju/nubugenowizawiwa.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d2ced60a-9e06-403e-a92d-79408a96646a/susuf.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ee35ec54-562f-4770-9516-01460b86eab7/16933520550.pdfIn PDF document text
- https://4253c66a-660d-4c83-b31d-f715833d547b.filesusr.com/ugd/d9e9a0_24e6192c47eb4c3fa0c0a53e227d75d3.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/624f0d2e-d1ae-42df-87bf-c96124948dc9/nuzavamor.pdfIn PDF document text
- http://rogofideb.onlinewebshop.net/alter_ego_a2_gratuit_222_page.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8a0e0bb8-9f92-44bf-8e53-967291863eeb/tunowejevalibifarabefog.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/654c2351-cefa-4ec7-8c81-89387971f75f/short_plot_summary_of_treasure_island.pdfIn PDF document text
- https://e97408dc-4b05-4e3b-9f19-f4127feb49ef.filesusr.com/ugd/a42eed_a138a74d7f784be2982c5449fceada94.pdf?index=trueIn PDF document text
- https://7211abc3-b26e-437e-abd8-8a8c7ebd4af5.filesusr.com/ugd/0683fb_789102f67fc74029ad6b37f0832f6d09.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/mubemutolewe/reasonable_suspicion_training_test_answers.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/23095010-2cc6-4411-a214-cc7550ab55c5/how_to_use_clairol_semi_permanent_color.pdfIn PDF document text
- https://03ca3561-abfe-48ca-9b59-b1b2b77f8126.filesusr.com/ugd/1af49e_c2e063e14c9e49f3b4cb1b518ce31609.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_off00012ad2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12AD2 | 5544 bytes |
SHA-256: 5b5b12f0307b74d4892c844cda17b45f6c377200ca9abf70f3d85d3eb39af608 |
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font_01_sfnt_off00013d9b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13D9B | 10620 bytes |
SHA-256: dc2f80c70def9223859f1d9c187d155976079ee68ced1cf40d4363dbc73db351 |
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