MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. It uses an urgency-based 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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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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/wix?keyword=2011+honda+odyssey+service+manual+pdf PDF link annotation
- https://cdn.sqhk.co/vexedobasof/bMeciii/international_superstar_soccer_deluxe_snes_rom_hack.pdfIn PDF document text
- https://cdn.sqhk.co/nupasoxure/pNhcvjf/kakov.pdfIn PDF document text
- http://zuvatewovu.scienceontheweb.net/zte_z222_remove_sim_card.pdfIn PDF document text
- https://cdn.sqhk.co/wesebewoweva/hdj7hi2/6774773180.pdfIn PDF document text
- https://cdn.sqhk.co/romumoxoleno/jfjgnpi/fraction_worksheets_third_grade_common_core.pdfIn PDF document text
- https://cdn.sqhk.co/somatugogo/zijic9L/pearl_buying_guide.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/dfe65fbf-c81a-4d56-a1b3-c7b7a6163c9d/estandares_y_expectativas_de_matematicas_sexto_grado.pdfIn PDF document text
- https://s3.amazonaws.com/tolivajupeku/zebajubusumumedamegetuv.pdfIn PDF document text
- https://s3.amazonaws.com/xamibudasagas/89724563601.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fd4b286f-0058-4cec-8cec-815eb6c1db02/pipugabujofajojidik.pdfIn PDF document text
- https://s3.amazonaws.com/zarusegibitumet/39593054783.pdfIn PDF document text
- https://5e0c4d4d-41f9-428c-9564-b93e7cff6769.filesusr.com/ugd/510691_fa05f9c377ea4343af971fc945142759.pdf?index=trueIn PDF document text
- https://f18b8dc1-3ce9-44bd-8712-01435d039869.filesusr.com/ugd/b97cba_0d7f90a51b844fb09352127c06c23409.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/5346fd3a-1cc9-4b34-87b0-2810e2a54295/difficult_christmas_word_search.pdfIn PDF document text
- http://gavawekib.myartsonline.com/upsssc_vdo_syllabus_2020_sarkari_result.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/74f34e97-c0dc-40bc-8539-f99c6be7007f/asus_router_rt-n66u_password_reset.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0f06a5d6-f1e2-4c9a-93d5-bb631c77db51/kuvifuludodetupasabag.pdfIn PDF document text
- https://03aaa7dd-6608-466c-a68c-f41c59811c05.filesusr.com/ugd/ae15ca_4c26f9b189f9463094e89eec18f9b8d5.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/8393d946-ea7b-4e39-8169-57226ad82dbe/junixakubitexonerufapojo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/10041f6d-e8c1-4bd4-af09-ef1e232f635a/85862948695.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/14f2cd57-8c52-4361-812c-b8a50abb73b9/nejimovoletodadonofebabex.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f04c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF04C | 5788 bytes |
SHA-256: 4a381311c195aa8cce0c120cfe7ae306a6a90c931bc9421ce36512e7fdf7bbf6 |
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font_01_sfnt_off000103e8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103E8 | 10688 bytes |
SHA-256: 8ecab0efaf947b6e1ab5e5619cfd7e3bbbe271b067099b6404b0d07fa1cbc7f6 |
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