MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains a large number of external links, many hosted on disposable domains, suggesting a link farm designed to direct users to malicious content. The primary URL, 'https://ketchas.ru/pbw?utm_term=1+acre+equal+to+kitna+bigha', appears to be a lure, potentially related to search engine optimization tactics. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9954
Heuristics 6
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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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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 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://ketchas.ru/pbw?utm_term=1+acre+equal+to+kitna+bigha
- https://juputifewusa.weebly.com/uploads/1/3/4/4/134435955/wotid.pdf
- https://kafaziwe.weebly.com/uploads/1/3/1/0/131070109/1473069.pdf
- https://neburaguvud.weebly.com/uploads/1/3/4/4/134477844/fifuvunozam.pdf
- https://finuredapek.weebly.com/uploads/1/3/4/3/134352460/fojet.pdf
- https://sejimewopokotas.weebly.com/uploads/1/3/5/3/135350214/maxof_pakakur_fanuduxusezob.pdf
- https://jevikefogonilij.weebly.com/uploads/1/3/4/7/134747067/5756263.pdf
- https://wipomozexabezi.weebly.com/uploads/1/3/0/7/130776841/sovegenovefivateku.pdf
- https://gupuletafajural.weebly.com/uploads/1/3/0/7/130776102/4498123.pdf
- https://salizobujexi.weebly.com/uploads/1/3/5/3/135325558/2f6cfd.pdf
- https://senugosuka.weebly.com/uploads/1/3/1/4/131454109/6029631.pdf
- https://jatuserunel.weebly.com/uploads/1/3/4/6/134682763/d715ec8.pdf
- https://saronikevuvu.weebly.com/uploads/1/3/4/4/134460573/e2fff433fdd.pdf
- https://xedatuvigino.weebly.com/uploads/1/3/4/5/134580066/9508639.pdf
- https://duditoza.weebly.com/uploads/1/3/2/3/132302736/02ec2a2006.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://degenazi.pbworks.com/w/file/fetch/144478953/joxifatalidifalubinuxone.pdf
- https://uploads.strikinglycdn.com/files/8a321c1e-c3e4-4841-bbb1-64376a79a29f/62917010206.pdf
- http://likanegi.pbworks.com/f/30111657839.pdf
- https://uploads.strikinglycdn.com/files/2a5530a9-44ef-4600-b367-bf253cd8882e/pumubo.pdf
- https://uploads.strikinglycdn.com/files/b58f96f2-2fb9-4cf3-8991-8f304eba29d7/what_age_can_babies_play_with_playdough.pdf
- http://vezawegafu.pbworks.com/f/jisotololanuk.pdf
- http://veniwusuj.pbworks.com/w/file/fetch/145018335/clash_of_clans_apk_mod_unlimited.pdf
- https://uploads.strikinglycdn.com/files/70c2a8d2-a717-4419-a798-7eb23c5e4052/33018968013.pdf
- http://pukagij.pbworks.com/w/file/fetch/144468111/do_i_need_a_mileage_log_for_tax_purposes.pdf
- http://bopelijexuf.pbworks.com/f/7044399318.pdf
- http://buvavipoluvu.pbworks.com/f/31594822806.pdf
- https://uploads.strikinglycdn.com/files/d0533841-3493-437f-8071-8f8743c3250d/49923306920.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e185.bin492451209816dc40ea477e9be9c1b14b911f4b3346f2cad394e4b4eda7ac383b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE185 | 5168 bytes |
font_01_sfnt_off0000f317.bin3248918fc90aa46147543ab1cbe6d1ce979f32f472f4f2a6f4eb87a5915464bd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF317 | 10752 bytes |
font_02_sfnt_off000117f8.bin912e8c3c37b183d760f7f382ef110bdca05c7793b62d2efdd5772423ec248018 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x117F8 | 16068 bytes |
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