MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains a large number of external links, suggesting a link farm or SEO manipulation tactic. One of the embedded URLs, 'https://botokaw.ru/123?utm_term=video+twitter+iphone+documents', is flagged as unknown reputation, indicating a potential distribution point for malicious content or further redirection. The PDF structure also shows duplicate object definitions, which can sometimes be used to hide malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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://botokaw.ru/123?utm_term=video+twitter+iphone+documents
- https://bixixadapi.weebly.com/uploads/1/3/5/3/135321875/4852109.pdf
- https://belawutuvuzepim.weebly.com/uploads/1/3/4/6/134605506/3888663cd3d.pdf
- http://tidexozi.22web.org/conjunctions_list_in_english.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/bajapovogam/how_to_maintain_a_dehumidifier.pdf
- https://s3.amazonaws.com/fatikonavori/after_effects_text_animation_templates.pdf
- https://b998fa74-583e-446a-a2a7-67f41460fdb2.filesusr.com/ugd/e081f8_4fac56f811a345a2a5e72786075361be.pdf?index=true
- https://30c0d994-bee2-4d79-bc91-d4aaa7251653.filesusr.com/ugd/0962d9_723f474b77424ecfa440d988b0e81e1c.pdf?index=true
- https://5c2df1de-05ea-4e17-9aa3-38adc7ce3153.filesusr.com/ugd/ddd609_c81c097d198c43719084b2ce36163648.pdf?index=true
- https://uploads.strikinglycdn.com/files/7a60223a-8eb2-4c9d-8f4f-f72037e8a08c/what_are_the_good_research_topics.pdf
- http://mabuxet.epizy.com/29217936669.pdf
- http://majuxitur.epizy.com/43655081983.pdf
- https://uploads.strikinglycdn.com/files/2f1d3d6e-7599-4dad-85b2-8fe28a3f47d4/what_does_latching_alarm_mean.pdf
- http://gozamud.rf.gd/making_creative_writing_fun_high_school.pdf
- https://uploads.strikinglycdn.com/files/383bf720-dd5a-485d-a21a-4eae338c5a0b/browning_a5_wicked_wing_tungsten_bottomland.pdf
- https://uploads.strikinglycdn.com/files/7ace7894-8786-49ff-a575-2f025f42f949/asus_rt_n12_plus_specs.pdf
- http://misukejijixuke.epizy.com/86471601942.pdf
- https://dbba0f06-1911-40f0-8c80-a2638c7f81cc.filesusr.com/ugd/b13fd1_aad7ac90663e44f7949d8260f1c4b811.pdf?index=true
- https://6f672a44-e16c-4921-a0f1-e3781c0647c5.filesusr.com/ugd/bda22a_5bdab89907ad419597a5fc33e308a2ea.pdf?index=true
- https://676a7a22-5bec-432e-92e0-9d4a0a27851c.filesusr.com/ugd/a1fb72_a2abaac317d2444a968d1211225a78f5.pdf?index=true
- https://80ce5912-1c67-4773-adf4-abf614566e91.filesusr.com/ugd/acb48a_0411da33ce65421a94ce28b119d9aa06.pdf?index=true
- https://78905da9-dd21-4190-abaa-c894c042e703.filesusr.com/ugd/851c7c_56dc30662ea24612aae6f757c7b3da4a.pdf?index=true
- https://e22e8d81-f41f-4d51-abb1-39b19d2d32bb.filesusr.com/ugd/96bf9d_613caae6384c494e9a4df91b97033341.pdf?index=true
- https://s3.amazonaws.com/rogugagatuf/25918534710.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f68f.bin5ac6343d3c0823452e0082dda759305fb3952e43387441ac166d97bb1f59da78 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF68F | 5128 bytes |
font_01_sfnt_off000107e6.bin2f3a298d145f3dab4ca6b4fd0439bdd9ac0585e8445f856feeddabf7d583c4c0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107E6 | 8184 bytes |
font_02_sfnt_off00011e37.bin1e9e15ddaf036c1baa60571ac7ef9179f0c9394aea107ae143ba7533d913e51b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E37 | 11532 bytes |
font_03_sfnt_off000145b2.bindc391823323554a5d42b6f59c05abc024692b56fecb2ff7e1b351de9b9e1595e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x145B2 | 17096 bytes |
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