Malicious PDF — malware analysis report

Static analysis result for SHA-256 edea7e3625cbe762…

MALICIOUS

PDF

80.4 KB Created: 2021-03-24 13:12:31 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: a386fea7088cb390ef7da5c3f2baff34 SHA-1: a77b3a907140325607d2a310c18eaf5e6ce41084 SHA-256: edea7e3625cbe762247afe4f891599a098d86e7b7b4b66f73c88485fc275fb2b
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains a large number of external links, identified as a link farm, suggesting a malicious intent to manipulate search engine results or redirect users to potentially harmful content. The ClamAV detection and ML classifier further support its malicious nature. While no scripts were directly extracted, the PDF structure and numerous external URLs indicate a likely attempt to deliver or host malicious payloads.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8693

Heuristics 4

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small 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.
  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • External URI info PDF_URI
    PDF contains an external URL action
  • Embedded URL info EMBEDDED_URL
    One 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://crophysi.ru/award?keyword=libro+caballo+de+troya+10+pdf
    • http://converstarget.ru/chamorro_song_ringtonegjocc.pdf
    • https://cdn-cms.f-static.net/uploads/4460447/normal_603213d50d763.pdf
    • http://hisgohar.site/gis_fundamentals_3rd_edition9d7x9.pdf
    • https://cdn.sqhk.co/dekavaka/b7QWgee/cheats_for_pictoword_level_80.pdf
    • https://niwurakoj.weebly.com/uploads/1/3/4/5/134588258/7112668.pdf
    • https://cdn.sqhk.co/mavixuwaloz/NVxY7ib/59102131498.pdf
    • https://cdn.sqhk.co/feziwetesene/gaqYxVa/nusapetix.pdf
    • http://alphabitx.com/norton_field_guide_online_book6h34b.pdf
    • https://cdn.sqhk.co/kosojilufut/Rjjibgc/48450765881.pdf
    • https://cdn.sqhk.co/subetudagoli/aHhjAgg/rukimedafuwibon.pdf
    • http://temppicture.xyz/54911676938bgqqk.pdf
    • https://cdn.sqhk.co/lowixadoges/jMzxgc8/ice_cream_truck_for_rent_nyc.pdf
    • https://cdn.sqhk.co/tutogalubete/diajhjh/tugelusuzogesalokowazi.pdf
    • http://beautysale.site/acurite_rain_gauge_quit_workinggpnub.pdf
    • https://cdn.sqhk.co/gewanunu/b4rLNgd/relaxing_music_collection_download_3_hours.pdf
    • https://rogujodur.weebly.com/uploads/1/3/4/8/134899240/tajibokuz.pdf
    • https://cdn.sqhk.co/baluwofuk/eigVuhb/bibadixon.pdf
    • http://usene.xyz/what_are_the_elements_of_drama5d8gu.pdf
    • https://cdn-cms.f-static.net/uploads/4408463/normal_604f3a919c68c.pdf
    • http://ericksandoval.com/oxford_picture_dictionary_english0b32z.pdf
    • http://ideaita.fun/adalimumab_prescribing_informationmga5k.pdf
    • https://xuxulavadimuxa.weebly.com/uploads/1/3/4/2/134234789/2821006.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f97e.bin
b5e04607e8c220490e9572b1caa06ee8a5a7ce8cc437ec68a29213b693850e77		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF97E 5348 bytes
font_01_sfnt_off00010bc8.bin
fda0ff3112c1ef41d1b22059ac616f2faddf7f9b4238d7c533e195295fbd5334		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10BC8 12316 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.