MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file contains a large number of external links, a technique often used for SEO manipulation or to redirect users to malicious sites. The ML classifier and ClamAV detection strongly indicate malicious intent, classifying it as a phishing trojan. No scripts were extracted, but the embedded URLs are the primary indicators of compromise.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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://chcial.ru/pbw?utm_term=cbse+guide+for+class+7+english PDF link annotation
- https://kumobavogi.weebly.com/uploads/1/3/2/3/132303339/2077350.pdfIn PDF document text
- https://nafuginanosuja.weebly.com/uploads/1/3/4/5/134598664/sigopupi.pdfIn PDF document text
- https://toguxiwo.weebly.com/uploads/1/3/4/6/134645105/bixodotigekin_wajobedo_wofojek_wetolamug.pdfIn PDF document text
- https://bedasalisavif.weebly.com/uploads/1/3/4/6/134601990/9157926.pdfIn PDF document text
- https://kosodakugup.weebly.com/uploads/1/3/4/6/134655388/4061700.pdfIn PDF document text
- https://gakofalu.weebly.com/uploads/1/3/1/6/131636889/zogejo.pdfIn PDF document text
- https://likudone.weebly.com/uploads/1/3/4/6/134681098/c13e3cdf839a3b.pdfIn PDF document text
- https://jekufagiz.weebly.com/uploads/1/3/0/7/130739150/zonufemomifupiz.pdfIn PDF document text
- https://sagagokibifaku.weebly.com/uploads/1/3/4/6/134625973/6429294.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://kirozatijawu.pbworks.com/w/file/fetch/144514827/how_to_unlock_all_characters_in_smash_bros_crusade.pdfIn PDF document text
- http://sipibujewadu.pbworks.com/f/buchanan_county_ia_jail_inmate_search.pdfIn PDF document text
- http://mibegenav.pbworks.com/f/how_to_set_up_grundig_tv.pdfIn PDF document text
- http://xefobukeza.pbworks.com/w/file/fetch/144599544/16787661539.pdfIn PDF document text
- http://wuwazilizos.pbworks.com/w/file/fetch/144424872/taranath_tantrik_graphic_novel_download.pdfIn PDF document text
- http://laxaxufudej.pbworks.com/f/diferencias_de_las_bases_nitrogenadas_purinas_y_pirimidinas.pdfIn PDF document text
- http://biwonuv.pbworks.com/f/apk_windows_xp_launcher_for_android_indonesia.pdfIn PDF document text
- http://guronavageba.pbworks.com/f/xurizen.pdfIn PDF document text
- http://wiwedano.pbworks.com/w/file/fetch/144423537/wufomawowenabujaxubuko.pdfIn PDF document text
- http://matajin.pbworks.com/w/file/fetch/144712155/bubble_shooter_princess_witch_saga_2_mod_apk_download.pdfIn PDF document text
- http://jizakatum.pbworks.com/w/file/fetch/144497946/why_is_my_ice_maker_not_working_whirlpool.pdfIn PDF document text
- http://gozuwef.pbworks.com/w/file/fetch/144502203/taloj.pdfIn PDF document text
- http://morabef.pbworks.com/w/file/fetch/144628425/dartacan_y_los_tres_mosqueperros_capitulo_19.pdfIn PDF document text
- http://gibuwodebu.pbworks.com/f/kazatigudazoselijuluku.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_off0000e428.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE428 | 5408 bytes |
SHA-256: 6e576cb3a1ba02cc8250e1cc256ca83ba2c2eba1b5a5ab2107e7d70ce7ded9bc |
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font_01_sfnt_off0000f687.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF687 | 10576 bytes |
SHA-256: 4c68e7a0b5c7d7492ed7b80980ec54af36b7dff84648bc37e5a306b3873f596e |
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