MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, many of which are hosted on disposable domains, indicating a link farm or SEO spam operation. The ML classifier and ClamAV detection strongly suggest malicious intent, likely to redirect users to phishing or malware-hosting sites. While no scripts were explicitly extracted, the PDF structure and numerous external links are indicative of malicious redirection tactics.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://krisoc.ru/pbw?utm_term=lil+peep+crybaby+el+tatuaje+que+significa PDF link annotation
- https://cdn-cms.f-static.net/uploads/4488804/normal_6045143897d17.pdfIn PDF document text
- https://fujuzelos.weebly.com/uploads/1/3/1/3/131380065/349614.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4427821/normal_5fce4bddb9e9b.pdfIn PDF document text
- https://pixerogamaba.weebly.com/uploads/1/3/1/8/131871590/pasunagunesezasave.pdfIn PDF document text
- https://moganuvutixeku.weebly.com/uploads/1/3/1/1/131163890/6845194.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4428341/normal_601f140dde665.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4486351/normal_5fcb3a76692df.pdfIn PDF document text
- https://xerirexu.weebly.com/uploads/1/3/4/5/134592073/boribajisagujo_rimefisijeroxug_sejan.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4373016/normal_6016df1aac0f1.pdfIn PDF document text
- https://bewobuvepo.weebly.com/uploads/1/3/2/6/132695749/2788297.pdfIn PDF document text
- https://bonawoxe.weebly.com/uploads/1/3/3/9/133986387/foparane.pdfIn PDF document text
- https://static.s123-cdn-static-d.com/uploads/4370555/normal_60afe7a4df158.pdfIn PDF document text
- https://kenopawubiwo.weebly.com/uploads/1/3/4/4/134459696/zalukodukazub.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://lugozamuxika.pbworks.com/w/file/fetch/144412476/12513251710.pdfIn PDF document text
- http://zepadatoju.pbworks.com/w/file/fetch/144425181/how_to_fix_keyboard_keys_typing_wrong_characters_-_windows_7.pdfIn PDF document text
- http://lipadune.pbworks.com/f/is_there_an_app_that_can_monitor_blood_pressure.pdfIn PDF document text
- http://negovijalulu.pbworks.com/f/ruvizavorebuda.pdfIn PDF document text
- http://palixazoke.pbworks.com/f/how_to_connect_denon_heos.pdfIn PDF document text
- http://ziduzobif.pbworks.com/w/file/fetch/144455016/28592061305.pdfIn PDF document text
- http://finebov.pbworks.com/f/ace_personal_training_manual_5th_edition.pdfIn PDF document text
- http://jotoxipigi.pbworks.com/w/file/fetch/144447642/what_is_the_next_v8_supercar_race.pdfIn 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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fd56.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD56 | 5568 bytes |
SHA-256: 505f2c8a5ea33f6cd64b4d1e36bc98f4b78fef1d94cd7bc8f2903c9f843b3c7e |
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font_01_sfnt_off00011063.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11063 | 11824 bytes |
SHA-256: 8d86119d443085aee22349f9f691b51a2391fd82655ca363f113d5757b23d706 |
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