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 0.9993
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://dugedepap.ru/strik?utm_term=math+expressions+grade+3+student+activity+book+pdf PDF link annotation
- https://cdn.sqhk.co/jolodovi/c1I4Ajc/tetefivuwemejovitolor.pdfIn PDF document text
- http://teksalle.xyz/318747092459bf26.pdfIn PDF document text
- https://cdn.sqhk.co/togixulala/MrbbUib/xokalemowakogob.pdfIn PDF document text
- https://cdn.sqhk.co/ralapogifur/c5KWMgj/block_strike_hack._net_2019.pdfIn PDF document text
- https://cdn.sqhk.co/wexovezojab/hibhdiz/best_background_hd_images_for_photoshop.pdfIn PDF document text
- https://cdn.sqhk.co/kevejonob/ijibhfu/sivariranelofufoxog.pdfIn PDF document text
- https://cdn.sqhk.co/feketukadoz/dsii6hi/30460249131.pdfIn PDF document text
- https://cdn.sqhk.co/mobubivifa/iaemD4f/fubosuferulaw.pdfIn PDF document text
- http://forsage.pw/tokyo_ghoul_sezonul_1_ep_13_subtitra7kwa4.pdfIn PDF document text
- https://cdn.sqhk.co/posebozej/jjFjghd/review_ebl_rechargeable_batteries.pdfIn PDF document text
- https://cdn.sqhk.co/pasivuzuke/rmhfkig/download_diablo_immortal_apk_data.pdfIn PDF document text
- http://online-bestshop.xyz/39997135691sj9k6.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://74269c25-1731-4359-90d4-804f54ef9c1c.filesusr.com/ugd/b5973a_53de77826c1749afb1daa91646eba46b.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/bededuxotulapil/appendix_format_ieee.pdfIn PDF document text
- https://ac3db616-04cb-40f1-8357-c67041f5e20c.filesusr.com/ugd/eda9ba_5ab56c4d878544c1b868d1a8b28c2277.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/jidosatikim/59920225084.pdfIn PDF document text
- https://ac6a5e95-3fab-4d4b-a7e7-0ef4c71e5929.filesusr.com/ugd/32c278_040a7a6130ca45b1983063c3c72bdf79.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/mokixetat/94444720102.pdfIn PDF document text
- https://0efdb04f-128a-4c0d-ace4-8b312723ebcc.filesusr.com/ugd/5508f4_4a186b678acf41019700d8f139e25d93.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/gimisorixosu/kenmore_whispertone_model_116_vacuum_bags.pdfIn PDF document text
- https://afa032df-bfad-47da-a9c8-c79260182993.filesusr.com/ugd/6f9b04_a2185ab295774823b76c8010138cb86a.pdf?index=trueIn PDF document text
- https://1e35b969-1f99-48dc-8aa8-d0fb9638bdc8.filesusr.com/ugd/970baa_55cb4fd4447143b7844f4c863c7ffdc0.pdf?index=trueIn PDF document text
- https://5c09c65f-4728-49e3-9562-8692e696fc4f.filesusr.com/ugd/32acb1_58e9a1cb67cf41c2ba601dd6eff3f044.pdf?index=trueIn PDF document text
- https://8ab8d0a6-ebcf-4503-ac90-3c5d9a0926ce.filesusr.com/ugd/8585d4_c77e87164373455589bb44dd960a2046.pdf?index=trueIn PDF document text
- https://51956041-da35-40aa-96c1-085c1f47c80d.filesusr.com/ugd/e6e573_269f702c254d4d77853800d08b5b93ae.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_off00012934.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12934 | 5988 bytes |
SHA-256: 733caf1c091cc51b8a9633e020fe805bda1f77aa3202f75cc223eab2f5abfe9f |
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font_01_sfnt_off00013db2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13DB2 | 11000 bytes |
SHA-256: 3fceca0263073453030fa442ed6700acc1a416aff7f0f11de391b59bd8921689 |
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