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 pointing to disposable hosting services, suggesting a link farm for SEO purposes. One prominent URL, 'https://krisoc.ru/pbw?utm_term=summertime+saga+cheat+apk+free+download', indicates a lure for downloading cheat APKs. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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=summertime+saga+cheat+apk+free+download PDF link annotation
- https://fapudunaga.weebly.com/uploads/1/3/0/7/130776769/93508.pdfIn PDF document text
- https://zuduloto.weebly.com/uploads/1/3/4/6/134623707/18baca892dd81d.pdfIn PDF document text
- https://mipigonegomef.weebly.com/uploads/1/3/0/8/130813466/sezejubolel.pdfIn PDF document text
- https://lotuvimipel.weebly.com/uploads/1/3/0/7/130739731/85794bbcb44.pdfIn PDF document text
- https://teworovesub.weebly.com/uploads/1/3/0/7/130775402/62b5b35f7.pdfIn PDF document text
- https://lukexurilewudon.weebly.com/uploads/1/3/4/3/134335891/vuris.pdfIn PDF document text
- https://kelonefak.weebly.com/uploads/1/3/2/6/132683111/347373.pdfIn PDF document text
- https://gufamaran.weebly.com/uploads/1/3/4/0/134017683/8b50e534419575.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/2a7beee4-3877-43dc-ba19-8c05925f98a7/libelixasutijixapogapaf.pdfIn PDF document text
- http://mapaduzipi.pbworks.com/f/39942970104.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7c1db17a-35da-4b14-bfe0-7203b9165a78/35634941750.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/67757d8e-de71-4152-a443-a25c879f4654/84489723410.pdfIn PDF document text
- http://vakerul.pbworks.com/w/file/fetch/144586392/how_do_i_cook_a_ham_in_a_roaster_oven.pdfIn PDF document text
- http://redejok.pbworks.com/w/file/fetch/144529914/como_pasar_de_ml_a_gramos_en_quimica.pdfIn PDF document text
- http://lugozamuxika.pbworks.com/w/file/fetch/144421542/flash_all_lock.bat_not_found.pdfIn PDF document text
- http://mikabipi.pbworks.com/f/how_to_draw_a_mountain_landscape_for_beginners.pdfIn PDF document text
- http://gibudufu.pbworks.com/f/pokemon_go_hack_apk_ios.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6f704e1b-5820-4eb6-8ae0-8a1fedb23ed0/how_to_build_a_wood_bunk_bed_ladder.pdfIn PDF document text
- http://tusoxefum.pbworks.com/w/file/fetch/144481272/anonymous_external_attack.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8a02d11a-c28a-4f06-a4a5-5558fa6f442d/xixulodemumeberefozowobis.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f88d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF88D | 4996 bytes |
SHA-256: 1028b07524d83f9ae9f48259414159b2a1ce353f2da4265e6ad76481ad70e938 |
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font_01_sfnt_off00010a01.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A01 | 5828 bytes |
SHA-256: 488ed58f87230059dd425911a473aba63bf9572a92f583df62c1c23e3bf5caa1 |
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font_02_sfnt_off00011dc1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11DC1 | 19964 bytes |
SHA-256: 95c06d3f8db4936b41d160599d876e9d447e429ebcd804b7360666430d05a117 |
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font_03_sfnt_off000151ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x151BA | 16696 bytes |
SHA-256: 1d1cc5da8431b5b075a174e21c722000da1a45d30e8eaed9fa6b6bda1a32f472 |
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