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 0.9996
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://pelibifir.ru/strik?utm_term=why+won%2527t+my+brother+printer+print+wirelessly PDF link annotation
- http://itgermany.net/xojukopuxejafazisabijurihzkrl.pdfIn PDF document text
- http://vizionsmc.net/what_is_the_comprehensive_intervention_model_in_health_psychologyyh34i.pdfIn PDF document text
- http://begemot.space/how_long_is_the_osha_10_hour_course_good_forgqi24.pdfIn PDF document text
- http://mkr-olimp.info/consequences_of_awol_from_work_philippinesurxll.pdfIn PDF document text
- http://ita-talia.fun/how_to_downgrade_ps3_firmware_from_4.87_to_4.86boueo.pdfIn PDF document text
- http://sale50.pro/suvekinadejuwesopurej3rrlc.pdfIn PDF document text
- http://crawlmqyu.space/wukupakuytyfk.pdfIn PDF document text
- http://daliadiago.com/ap_style_courtesy_titlestixnr.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cf336f9a-6a79-4542-9269-5b62d6eb69dd.filesusr.com/ugd/1daf83_5798665ced934b51ab375eeb546973ee.pdf?index=trueIn PDF document text
- https://40fd9d30-e691-4ad4-9ff9-7de67b304886.filesusr.com/ugd/45b27a_ed1f9343273a4eda95a6ecdb14d062cf.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/decdfd90-d095-4e02-95b4-74aaeb37d227/vizuputarapofegesak.pdfIn PDF document text
- https://03386fec-e341-46be-bf9f-2f2bd19f9bfe.filesusr.com/ugd/bf57b5_1762298281b6476aa02c1853826b8875.pdf?index=trueIn PDF document text
- https://75cc4b12-69da-4024-8422-75f9303faa99.filesusr.com/ugd/d6c222_71755c058cdb496981120ced0d7fda08.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/d16e0b25-0b47-4e17-ba0b-4114cf7ff7a1/what_is_a_literature_review_example_for_psychology.pdfIn PDF document text
- https://ba30dffa-51fe-4caa-9472-6f142403a9bb.filesusr.com/ugd/c2007e_03a4d50329bd4d0793ae2542f7192bde.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/ee6ab665-da00-4c5d-8f62-b2050789c225/what_is_the_role_of_correction_in_criminal_justice_system.pdfIn PDF document text
- https://51364a6b-283d-4537-b9df-48522fd8faf2.filesusr.com/ugd/921180_62d240ab32a2441db78369b487f0bd1d.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/4a8d5833-aa1a-4c94-b950-9487a0a38e91/49678768480.pdfIn PDF document text
- https://e301b21f-f707-426c-a094-6199d4b1a2d6.filesusr.com/ugd/f65518_dac00cc9198540d2a47f6f6408580fff.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/0aa59a16-4127-417a-a39b-a81934ff2ced/kuxadanikunovofixu.pdfIn PDF document text
- https://c779a0a5-5a96-4308-8c37-720837e0bdd2.filesusr.com/ugd/4f1d02_9e85e8365c0c43a9ac7cc6c180c149ba.pdf?index=trueIn PDF document text
- https://db22a0a0-c6c8-4eb9-9878-037c50d93224.filesusr.com/ugd/e2b5b3_fb661682c11c453392c7b4fa00374185.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_off0000d283.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD283 | 5232 bytes |
SHA-256: c5add2108bde295c16af70d87013995215ddaeb079c267ab07c646e469de6eaa |
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font_01_sfnt_off0000e43c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE43C | 9868 bytes |
SHA-256: 75e9573c818570a38f1e7401691c9987b5eb4173abbda3d2994201f7ab143626 |
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