MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of embedded links, many of which point to disposable hosting and some to a known malicious redirector. This suggests a phishing or SEO poisoning campaign aimed at driving traffic to malicious sites. The ClamAV detection and ML classifier further support its malicious nature.
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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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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/award?keyword=couch+to+5k+pdf+bbc In PDF document text
- https://kujafuzepod.weebly.com/uploads/1/3/1/6/131637430/mukurigofexazal-gikojo-sizotixivi.pdfIn PDF document text
- https://jawuvufos.weebly.com/uploads/1/3/4/8/134856807/kanovesekonare_mitesuj_ziseredofesena_kupiwafarop.pdfIn PDF document text
- http://jitokinut.iblogger.org/66908435615.pdfIn PDF document text
- https://dexanobibe.weebly.com/uploads/1/3/5/2/135299911/xizixujokodaf_ximomobi_disabinug_nutinogana.pdfIn PDF document text
- https://gexipatar.weebly.com/uploads/1/3/1/6/131606255/memate.pdfIn PDF document text
- http://jirekakeduvinij.22web.org/vorozumeloruzo.pdfIn PDF document text
- http://xevidome.iblogger.org/aylesbury_grammar_school_6th_form_open_evening.pdfIn PDF document text
- http://fidesuwuranotif.getenjoyment.net/ms_access_send_email_with_attachment.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://uploads.strikinglycdn.com/files/e6621b18-112f-451e-96af-747863236dd1/hp_color_laserjet_cp2025_roller_kit.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b422b864-78d0-436e-8c6a-36b33cd43156/16872459895.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/62a80762-7438-42f6-b393-b5dd74b1364f/4361506773.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/629b9d84-81cb-4300-a48d-0d4a39e7906b/what_does_step_5_in_aa_mean.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c269c74a-5e1b-4b35-a827-e39e25f25871/tidomoletovemapubomasobid.pdfIn PDF document text
- http://pemisikozawefa.epizy.com/samsung_scx_3405_scan_to_pc.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/13fb4619-2245-403b-a259-72004523472c/figorifuva.pdfIn PDF document text
- http://noroved.myartsonline.com/riterowakobemizalifaremet.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2226555d-3fda-437a-85fd-0b4ad9e50afa/baby_gate_with_cat_door_black.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5af38f79-54a1-4de1-95aa-d0ed37f80af0/what_happens_at_the_end_of_vampire_diaries_season_7_episode_19.pdfIn PDF document text
- http://kanisal.epizy.com/chrome_browser_free_for_win7.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/37b6f95b-929a-49db-9b58-8efce4722d83/much_ado_about_nothing_movie.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/718dc78e-b579-42b1-a80c-86350754d5e2/tom_clancys_jack_ryan_actor.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_off00010c3a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C3A | 4688 bytes |
SHA-256: fb403dc01c6f031c6a27b4099b4dbbaa84bc80db4f8dd4c65bc445ba3a4d3858 |
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font_01_sfnt_off00011c36.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C36 | 11128 bytes |
SHA-256: e4e42ac618dad85236740856a2c9e35a3a1c5f8d8b7d11b37bc50b7c28a3be33 |
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font_02_sfnt_off00014248.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14248 | 4324 bytes |
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
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