MALICIOUS
226
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. It uses a clipboard-command (paste-and-run) lure. 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 0.9997
Heuristics 7
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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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Clipboard command execution lure high SE_CLIPBOARD_COMMAND_LUREDocument tells the user to copy or paste clipboard content into Run, PowerShell, cmd, or another shell-like execution context
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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/strik?utm_term=zoom+h1+format+error+card+access PDF link annotation
- http://lasleymarkt.ru/masixazoxilckzyl.pdfIn PDF document text
- http://cmbclientes.com/420889446662webf.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://0f939073-77d1-4307-aaa8-42539c8515e3.filesusr.com/ugd/85c9df_5038e6b449cc4fe4849cfad1b5d5442e.pdf?index=trueIn PDF document text
- https://0b670cc3-d94b-4117-8b98-7ce677fb6c21.filesusr.com/ugd/7bc559_297183073fcf4bb4828c9a80bb8825ae.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/7f42d0c4-c3bc-42b1-8dcd-b7f3c87253be/91231719746.pdfIn PDF document text
- https://748f1d53-d141-46c1-926a-d14fc69713a3.filesusr.com/ugd/e3ed1f_aa01925345884abbb9dab976001b50fb.pdf?index=trueIn PDF document text
- https://3f9320ff-391d-49df-b192-c557e211a93c.filesusr.com/ugd/469aea_5c7ddd89ed72445d90588e1c4c2fe036.pdf?index=trueIn PDF document text
- https://e7ba4f66-d023-404d-a355-a5b98970f127.filesusr.com/ugd/cac9e4_692cd5ff0eb04f84b75d8adaa12cd3c1.pdf?index=trueIn PDF document text
- https://6f847715-c85a-45d9-ae5c-7c68cc800588.filesusr.com/ugd/6e100b_e44992da49624b6eae96c4ad5ab8be6d.pdf?index=trueIn PDF document text
- https://1f571a09-6495-4108-bd1a-9715deae29b5.filesusr.com/ugd/b0bf26_21d3c0622869410d95e9b458da5042db.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/cd712102-d317-44f6-b3a7-edbb3668a348/how_to_hip_carry_ergo_omni_360.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/242f1aa7-9ac9-4fd9-b0a6-d73a683936f5/amazon_tap_user_manual.pdfIn PDF document text
- https://60ceb029-6f78-4d42-8ea4-15ca08d8077a.filesusr.com/ugd/857e61_3d34fb37a1874d36ae451b15b627d6fd.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/f6f12fa6-b215-40c9-91d4-14a458919c90/sword_art_online_alicization_lycoris_multiplayer_unlock.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d75cd62e-39fb-4dcd-99c6-e3141232de7c/5625210469.pdfIn PDF document text
- https://5c126656-fc4f-473b-8c99-11744d2e1b96.filesusr.com/ugd/abd8ec_34d5e1661670488cb211594138c0fd40.pdf?index=trueIn PDF document text
- https://ecc4b077-82d2-4cf1-ad45-1e482560a890.filesusr.com/ugd/5d7ac5_08b63495ab90445385bc2142fc01553f.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/5d6f2cc9-4c29-4ca8-9a06-58da88988757/jubadoraxubopolukufinedid.pdfIn PDF document text
- https://9169454a-6e45-4b39-89c4-5cd9bf0a6084.filesusr.com/ugd/32fbc8_5d3beb35182c46428637d2b890c95dbc.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/7d9bdd2a-a6fa-43a4-adfb-8620816091a3/tepataruwejozaderipeva.pdfIn PDF document text
- https://aa6d2f86-95e2-42cc-897e-6bbd71c3a116.filesusr.com/ugd/78daac_8d98368da1724aeebf36303264f90703.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_off0001086f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1086F | 5236 bytes |
SHA-256: 7b0c764ce89463ffb34f716c957497e8da88f3a2392bf9b2b31d68cf72cb7637 |
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font_01_sfnt_off00011a1c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A1C | 11132 bytes |
SHA-256: 613bad840470c55916211a736dced9155164ea6fab8cba9b6d14530539f9493d |
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