MALICIOUS
186
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 hosted on disposable domains, indicating a link farm or SEO spamming operation. ClamAV detected this file as Pdf.Phishing.Trojan, and the ML classifier also flagged it as malicious. The embedded URLs and the heuristic firings strongly suggest a malicious intent, likely related to phishing or distributing further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
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://botokaw.ru/award?keyword=model+risk+management+framework+pdf PDF link annotation
- http://nugekurobeju.iblogger.org/fuzifudojobibugu.pdfIn PDF document text
- https://revivumusemob.weebly.com/uploads/1/3/5/4/135400225/db2eae1c2053.pdfIn PDF document text
- https://cdn.sqhk.co/xuluriwu/Gxyjcjp/wupudo.pdfIn PDF document text
- http://gezudozu.iblogger.org/que_es_una_imagen_digital_definicion.pdfIn PDF document text
- http://nemogaguwexero.iblogger.org/karezexesodimi.pdfIn PDF document text
- https://jawuwokobot.weebly.com/uploads/1/3/1/3/131381435/005ecda.pdfIn PDF document text
- https://cdn.sqhk.co/xarozowuzosa/m1hghal/who_is_the_killer_in_envy_2_episode.pdfIn PDF document text
- http://zodezabazigojab.iblogger.org/crystal_report_runtime_version_11.pdfIn PDF document text
- https://cdn.sqhk.co/rufebumu/hgKnR8Z/bunisasutoxitobe.pdfIn PDF document text
- https://cdn.sqhk.co/wakivugex/iiyjgif/lekexojukuvabidi.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- http://jolukix.epizy.com/89571694149.pdfIn PDF document text
- https://0eb00d84-361a-45dc-b346-1af5c8eb785c.filesusr.com/ugd/d79848_a053bd2a6f804595b416d346f4f757d4.pdf?index=trueIn PDF document text
- http://gonekiwefed.epizy.com/guginikisuki.pdfIn PDF document text
- http://misovin.epizy.com/91046515793.pdfIn PDF document text
- https://6b54b0b2-91db-43cc-88c8-bbc4f7e20b37.filesusr.com/ugd/a773aa_1762dca096e042f1a3e006b5ff3f2f4e.pdf?index=trueIn PDF document text
- https://d8acad56-eb9a-42d1-a06c-a695c5b02328.filesusr.com/ugd/0ad6c7_7c071a92a5e64e9abe4c9d52e34d7c34.pdf?index=trueIn PDF document text
- https://16564176-4c62-44d7-82e3-1dea6b832d73.filesusr.com/ugd/5e57cf_e109f428d2af4fc2a5c8092ecebf9fc0.pdf?index=trueIn PDF document text
- https://ddf64d59-5240-4154-9987-17dfc28e22c7.filesusr.com/ugd/cec570_635563521a834d95a34c78fa982b010a.pdf?index=trueIn PDF document text
- http://xenemusexo.epizy.com/sathuranga_vettai_movie_songs.pdfIn PDF document text
- https://f8d4b294-f952-4a11-85e8-0a3036f9bdaf.filesusr.com/ugd/ad8f3a_152f978826f64de4b88e7f42bea9ddce.pdf?index=trueIn PDF document text
- https://4be8a7ba-6c9a-47a4-99fc-a5961b41a404.filesusr.com/ugd/132250_cb76472bcd044faeacd02284228edd32.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00016854.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16854 | 5308 bytes |
SHA-256: 7764add97ce3014683799e7b8463e2ba84e926997aa4ff1f3c526da9d600461d |
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font_01_sfnt_off00017a65.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17A65 | 13040 bytes |
SHA-256: c85750bdf8611aef0e100f3d68e8fd87a9dfbe6afb77537ee9ea59b002b4a9f8 |
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font_02_sfnt_off0001a425.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1A425 | 4324 bytes |
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34 |
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