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 0.9998
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://dafemum.ru/wix?keyword=toshiba+laptop+repair+manual PDF link annotation
- http://lijovafe.22web.org/19071295988.pdfIn PDF document text
- https://bozoxemupep.weebly.com/uploads/1/3/4/3/134317316/5479316.pdfIn PDF document text
- https://panelaxefejavej.weebly.com/uploads/1/3/5/3/135306159/57d6bce56b.pdfIn PDF document text
- http://jovekasad.iblogger.org/60084917727.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://s3.amazonaws.com/kuboki/understanding_computers_today_and_tomorrow_15th_edition_chapter_2.pdfIn PDF document text
- https://6bc553e5-d0de-4278-827a-c77c8eb32fbd.filesusr.com/ugd/4a6c57_5a35c696642449beafa29682a32eb580.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/xabalaru/rujomexapigoxadik.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d252b398-e1d1-452b-84fd-d411133591d6/29064708280.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/48a4239e-ad8c-40af-8414-eee5737bb95e/youtube_poker_cash_game_2020.pdfIn PDF document text
- https://7737876a-f762-42ef-af6f-18b78abacabf.filesusr.com/ugd/9066bd_c91d9410ad484037801bd10279d686f4.pdf?index=trueIn PDF document text
- https://6c49ff76-e13b-46da-8354-2e633d56f736.filesusr.com/ugd/211c2d_4c8d4f7dbd4d49a1b3b9a8dfaa8c72d6.pdf?index=trueIn PDF document text
- https://a35b4eae-300a-44a5-b982-8d633984e519.filesusr.com/ugd/19735e_78ec1210dd5a4bdd9cfd6ac0341d367e.pdf?index=trueIn PDF document text
- https://00eaa6b3-f026-4720-b00f-fafb40066352.filesusr.com/ugd/d498be_b0a1883b0e49474ea2b07e50a9578d21.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/tiniruru/do_beats_have_noise_cancelling.pdfIn PDF document text
- https://3f3b26af-a357-4ab7-b723-baa2d0f6bb2b.filesusr.com/ugd/5d6e2e_8b5b8868cc574afa82d5c763a32d9e9e.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/5868caa0-7a2d-4193-8e1f-8752c2b5e93a/piano_adventures_level_3a_lesson_book_2nd_edition.pdfIn PDF document text
- https://d6bf9bfb-c092-4b17-ab9f-91da83e6a9d2.filesusr.com/ugd/d7ad14_38d30406532847dc87e3909d4a54f5af.pdf?index=trueIn PDF document text
- https://7ae52be2-ba3c-41fb-8935-29281088223e.filesusr.com/ugd/affaa6_a6a2f650df2841618819edba8e94dad3.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/0b0e7a04-bdfe-4e59-b041-bb46eb3f7018/how_to_operate_haier_ac_remote.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ec54.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC54 | 5028 bytes |
SHA-256: 00dff9b4dffe58bad6e80af5236eb92ee780b45bbc631d345fc6193abb982f1a |
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font_01_sfnt_off0000fd35.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD35 | 10992 bytes |
SHA-256: 09edcae2af871a3a110ff68619a0fd967d58acc32136aba7ea10295a0cc9e0fb |
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font_02_sfnt_off000122e9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x122E9 | 4324 bytes |
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34 |
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