MALICIOUS
236
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
T1059.007 JavaScript
T1553.005 Security Software Installation
This PDF document exhibits multiple indicators of malicious activity, including a critical ClamAV detection and ML classification flagging it as malicious. The 'SE_CLICKFIX' and 'SE_SECURITY_BYPASS' heuristics indicate the document attempts social engineering to trick the user into disabling security measures and executing commands. The embedded URL 'https://smidgel.ru/pbw?utm_term=logitech+mk710+arrow+keys+not+working' is likely part of this lure, potentially leading to the download of a second-stage payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
Heuristics 7
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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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ClickFix social engineering attack high SE_CLICKFIXDocument instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
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Security software disable instruction high SE_SECURITY_BYPASSDocument instructs the user to disable antivirus or security software — unusual for ordinary documents and high-risk in an unsolicited file
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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://smidgel.ru/pbw?utm_term=logitech+mk710+arrow+keys+not+working
- https://cdn-cms.f-static.net/uploads/4427095/normal_6069749d8ccef.pdf
- https://cdn-cms.f-static.net/uploads/4408352/normal_6063a1537703e.pdf
- https://zabebopid.weebly.com/uploads/1/3/4/5/134585494/38ee228573f17.pdf
- https://buvurowu.weebly.com/uploads/1/3/4/6/134638295/8412368.pdf
- https://cdn-cms.f-static.net/uploads/4369509/normal_6033b094339c5.pdf
- https://cdn-cms.f-static.net/uploads/4424027/normal_600a6b6e17f89.pdf
- https://static.s123-cdn-static.com/uploads/4385422/normal_5fcb797995d65.pdf
- https://tugixafebav.weebly.com/uploads/1/3/2/6/132681891/8913414.pdf
- https://cdn-cms.f-static.net/uploads/4449417/normal_605434bd26cea.pdf
- https://zutekavewer.weebly.com/uploads/1/3/4/5/134514418/3559d51c279b8.pdf
- https://xiwajobuxeke.weebly.com/uploads/1/3/4/6/134637113/falukumel-kojejerozem.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://uploads.strikinglycdn.com/files/c262ea2a-f790-4c6f-80d7-6e8255ea722f/saxerudosojizoxevelumirox.pdf
- http://kiletejude.pbworks.com/f/libros_de_harry_potter_originales_en_espaolo.pdf
- https://uploads.strikinglycdn.com/files/5a8bfd7b-b763-41e4-8e27-05527b0e19d9/35014609048.pdf
- https://uploads.strikinglycdn.com/files/4e10ac4c-5e8d-4457-b0af-3f512ee60f07/livimimek.pdf
- https://uploads.strikinglycdn.com/files/806c647a-67b1-477e-bc4c-f8ceba6a8465/12594466029.pdf
- http://supatibu.pbworks.com/f/short_stories_based_on_thirukkural_in_tamil.pdf
- https://uploads.strikinglycdn.com/files/96baca33-8aff-46f8-a580-20eb3cb2f9e7/minecraft_free_download_mac_1.15.2.pdf
- https://uploads.strikinglycdn.com/files/ce660fb7-1cc2-443b-bc4c-81d7d0663d9c/briggs_and_stratton_450_series_148cc_blades.pdf
- https://uploads.strikinglycdn.com/files/9755083a-6f0c-4cdf-979f-46fd06042a0b/to_be_a_slave_julius_lester.pdf
- http://fuvesiwowegu.pbworks.com/w/file/fetch/144413526/fokolodinurakasitezo.pdf
- https://uploads.strikinglycdn.com/files/39aa93d2-6b3c-45bd-8127-7290be986bfd/rt-ac68u_manual_reboot.pdf
- https://uploads.strikinglycdn.com/files/b25360b1-0003-43f6-813d-c28770123f17/murolikimovij.pdf
- https://uploads.strikinglycdn.com/files/eb5eaf93-67ba-4128-ba51-579d1003bb2f/56544216027.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
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e9ed.bin6442e194f27984ef2f401d09642476ad2d3529fcffb4318e52642c4091edd470 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9ED | 5652 bytes |
font_01_sfnt_off0000fd2b.bin5d169f78c60fb81c1532d411a5fd7e454942ed2582f66d6bc22874eff5cfa0fb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD2B | 10760 bytes |
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