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 0.9997
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://xajibur.ru/award?keyword=the+anatomy+coloring+book+pdf+wynn+kapit PDF link annotation
- http://zutatowatipo.mywebcommunity.org/2956745982.pdfIn PDF document text
- http://jidapuxedepu.medianewsonline.com/masterbuilt_electric_smoker_split_chicken_breast_recipes.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4384634/normal_5fcf64a726bcd.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4451929/normal_6049ba4ccb821.pdfIn PDF document text
- http://aov.one/photoshop_cc_classroom_in_a_book_lesnobmb.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4486552/normal_5fde51ac54b78.pdfIn PDF document text
- http://mekapidi.medianewsonline.com/orchitis_pada_anak.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4409992/normal_605f5b2d97dda.pdfIn PDF document text
- http://jirafka.space/risk_register_constructionyudad.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://d9226533-59f4-4737-ae77-cfa9cdee5378.filesusr.com/ugd/d7c203_5e2997fddb7e43b99a00e758db0f87c2.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/eb30674f-3c2a-4b85-a1d4-42153c8c9613/how_to_tie_a_long_4_bight_turks_head_knot.pdfIn PDF document text
- https://e06e8306-d71e-4c92-aa1b-e8c52eeb44cb.filesusr.com/ugd/bc4951_a36bd08f019a4e81b697fd4ce54f9ca2.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/1c60ecac-5a51-4ed2-a2ec-a1786f611694/sivapuranam_meaning_in_english.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/429f6ccd-d9f4-4f75-bf60-4e82eae33185/michael_pollan_in_defense_of_food_quotes.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/09cecfb9-d67a-42c0-9923-94b1941cdbaf/gofojuvozasipetekum.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b4daf2d2-08b8-4fb7-8ec9-d803be075959/dorobe.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/06277618-6ad8-4dae-8594-d99d7885397a/how_to_install_rheem_tankless_electric_water_heater.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/636c5100-2347-48e9-ab7c-e6d4d8e1643f/pdf_preview_handler_not_working_outlook_2016.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/bffbd1b7-b21d-4f7c-bc39-6a41cc3eb2b5/gulerutulikenawiti.pdfIn PDF document text
- https://5c126656-fc4f-473b-8c99-11744d2e1b96.filesusr.com/ugd/abd8ec_c47974a3834a423aa0b1171003a595ac.pdf?index=trueIn PDF document text
- https://c11ab09e-384c-4904-8c79-5ef6f38008df.filesusr.com/ugd/7131a6_9fd6cc4a3b0f4cd3b86ecfd64823cfe0.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/ec5be111-515e-4380-bf31-47ff79043445/zinadukakefogix.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_off0000f29d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF29D | 5740 bytes |
SHA-256: 6cb2fbda930296d23653139600afbf3cdc4ab7ac507f20105347ce83230e6b6d |
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font_01_sfnt_off00010613.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10613 | 11140 bytes |
SHA-256: fd8c081c6544434f45f1e6703b446ca2c77c7cc7739483ae15d5d80d96208680 |
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