MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. The document body, though heavily obfuscated, contains text related to 'wkhtmltopdf' and a URL that appears to be a lure for phishing or malware distribution. The presence of embedded URLs, particularly the one pointing to 'pelibifir.ru', strongly suggests an attempt to redirect the user to a malicious site.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 4
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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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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://pelibifir.ru/strik?utm_term=how+many+hours+is+a+miller+bobcat+good+for
- https://static.s123-cdn-static.com/uploads/4392470/normal_5fece8fc52d1d.pdf
- http://demask.fun/mosinem73lqf.pdf
- https://static.s123-cdn-static.com/uploads/4387825/normal_5ff2dd035a982.pdf
- http://natfreshik.fun/introduction_to_computer_applicationsnc1cn.pdf
- http://hookup153.online/who_is_the_strongest_gods_of_destructioncsvpv.pdf
- http://ruszaimclub.ru/sufefejonofighb.pdf
- https://cdn-cms.f-static.net/uploads/4496014/normal_5fd34f8a83f00.pdf
- http://feldhaus-klinker-plitka.ru/93663432111yfm06.pdf
- https://cdn-cms.f-static.net/uploads/4481280/normal_600dc268bf0d4.pdf
- https://cdn-cms.f-static.net/uploads/4446162/normal_5fd1617bb00af.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/kaxukok/overwatch_hanzo_aim_guide.pdf
- https://uploads.strikinglycdn.com/files/9c83a566-5bdc-4dce-8e81-76ba5bca6491/15381215446.pdf
- https://uploads.strikinglycdn.com/files/b4a8f70e-d402-4ded-992b-69b9bdbb619d/natibaloluxenasudopolen.pdf
- https://uploads.strikinglycdn.com/files/5de586fd-5771-4805-abbc-2ca18c4e45a9/how_to_setup_hp_deskjet_3050a_j611_wireless.pdf
- https://uploads.strikinglycdn.com/files/084e7f81-40b1-47fb-b2e8-b4451d5ed7c3/administracion_de_medicamentos_via_rectal.pdf
- https://s3.amazonaws.com/vobuturinivi/55706208944.pdf
- https://s3.amazonaws.com/tobito/34319428653.pdf
- https://s3.amazonaws.com/muvojugejoxip/how_to_type_power_sign_on_keyboard.pdf
- https://s3.amazonaws.com/fomaralunex/55124486015.pdf
- https://s3.amazonaws.com/tinivukedeta/82978555042.pdf
- https://s3.amazonaws.com/tawovojo/entry_form_template_excel.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_off0000f476.bin23e72bb4a2a398819578ce101a4e6efdb46a11f5416e759ec33cbe791f480ea4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF476 | 5728 bytes |
font_01_sfnt_off000107d8.bin3cb68344591904e18d0de5af6dc5a831a54cdec933fb9b4cd896253c7360c25b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107D8 | 10672 bytes |
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