MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains a large number of external links, many pointing to other PDF documents, indicative of a link farm. The ClamAV detection and ML classifier strongly suggest malicious intent, likely related to phishing or distributing malware. The embedded URLs and the heuristic findings of a 'PDF_SEO_LINK_FARM' and 'PDF_SEO_DISPOSABLE_LINK_FARM' confirm the document's purpose is to host and distribute links, potentially to malicious sites or further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9989
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://resalured.ru/award?keyword=sociology+pdf+class+12 PDF link annotation
- http://jolijivik.scienceontheweb.net/bk_daily_murli.pdfIn PDF document text
- https://nodizolubuta.weebly.com/uploads/1/3/5/2/135297944/c7cb3f.pdfIn PDF document text
- https://cdn.sqhk.co/koditisalupe/jcieYja/41620908924.pdfIn PDF document text
- https://cdn.sqhk.co/javeduner/ihgfJie/city_racing_3d_multiplayer_apk_download.pdfIn PDF document text
- https://teraxamexad.weebly.com/uploads/1/3/1/3/131380600/lisemun_texegu.pdfIn PDF document text
- https://cdn.sqhk.co/xuruwivagezu/fjihfAd/the_evil_within_collectibles_guide.pdfIn PDF document text
- https://melijezaziwoni.weebly.com/uploads/1/3/4/8/134851492/6a487f087c28f9.pdfIn PDF document text
- http://gekodejevotug.medianewsonline.com/27009091979.pdfIn PDF document text
- https://tedowinoni.weebly.com/uploads/1/3/5/3/135304389/19957.pdfIn PDF document text
- https://joginogi.weebly.com/uploads/1/3/1/1/131163620/5181915.pdfIn PDF document text
- https://cdn.sqhk.co/menodotitit/gghfDif/45109621625.pdfIn PDF document text
- https://gupapuna.weebly.com/uploads/1/3/4/7/134726568/lujijok-fanuwo-bidedop-fugej.pdfIn PDF document text
- https://bigififipajug.weebly.com/uploads/1/3/4/7/134709095/5067742.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/105a076d-35a1-4846-80f1-877b12a5c077/19323737544.pdfIn PDF document text
- http://zuvuzevo.atwebpages.com/diesel_engine_troubleshooting.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b2998130-fe35-4bfa-997d-7fe827fc524d/jivazoxedemu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2149a029-8c6a-4fb3-b890-4693665e5066/the_moral_landscape_criticism.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e8cec815-277a-4937-845c-3fe9265e610e/92158113040.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/28a5b5fe-0e32-4e29-8718-adba63e95589/the_wild_sheep_chase_meaning.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7bf1c8e9-5fa5-4b77-9018-09752897ffee/hunter_wifi_irrigation_controller_reviews.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/cb13abe0-d18b-450d-ae30-84e48b8112b8/how_to_assemble_total_gym_fit_max.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5e184b40-c657-4371-afd2-64dd5cac4069/26587670304.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/eca83cb7-e0cf-41a4-a640-637a27f62534/jimamu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b821f059-64a1-4435-8794-831b7ead10d0/dolumoren.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fc3c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC3C | 5616 bytes |
SHA-256: 69ca5ab3e16243376b0b0d80ab6ec4ad27a9b1949352abc6fe69201f2a5c0833 |
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font_01_sfnt_off00010f7c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F7C | 10444 bytes |
SHA-256: 6868cb00e9f29f916d22378cff6f466dcb92ef8d233314beae32bdbb9076cfe5 |
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font_02_sfnt_off0001335c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1335C | 23952 bytes |
SHA-256: 1ed31a295418a8c8c4370fdec7f6efa76153b121232f54120920acc190fd327b |
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