Malicious PDF — malware analysis report

Static analysis result for SHA-256 1aa0bfa25c5efdf1…

MALICIOUS

PDF

68.0 KB Created: 2021-03-16 09:34:44 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: d7287a41ef4fc04a7a3466415b285c15 SHA-1: df974ef37862818f001f98a12c3a1af259c5aea2 SHA-256: 1aa0bfa25c5efdf1f6df2014b569c7346208b7dbf2975ea26cbcf13be18955b7
124 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution T1059.007 JavaScript

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9227

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small 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.
  • 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://gimoguvi.ru/strik?utm_term=medical+surgical+nursing+pay+rate PDF link annotation
    • https://nurufumetexode.weebly.com/uploads/1/3/5/3/135323779/tepemizuzetawuxi.pdfIn PDF document text
    • http://taxokijoba.sportsontheweb.net/wugibeki.pdfIn PDF document text
    • https://pabidiwamudobav.weebly.com/uploads/1/3/5/2/135299897/sidelo.pdfIn PDF document text
    • https://cdn.sqhk.co/wajidafix/Q2shfDU/kapodenovaxijakafomilofoj.pdfIn PDF document text
    • https://cdn.sqhk.co/xawodoze/TDgcMje/block_puzzle_jewel_game_free_download.pdfIn PDF document text
    • http://doxalasi.mywebcommunity.org/91974194296.pdfIn PDF document text
    • https://ludolukek.weebly.com/uploads/1/3/4/6/134699908/15666ff7d1.pdfIn PDF document text
    • https://cdn.sqhk.co/bojowagawire/8yihHwc/wavigotasimumu.pdfIn PDF document text
    • http://kewokuxumuzig.medianewsonline.com/l_alphabet_espagnol.pdfIn PDF document text
    • https://titanukudolilip.weebly.com/uploads/1/3/6/0/136082060/didosekuruzinivof.pdfIn PDF document text
    • https://cdn.sqhk.co/dogovonediwa/bwihMHm/68474199208.pdfIn PDF document text
    • https://mubazujozij.weebly.com/uploads/1/3/4/7/134705676/4913994.pdfIn PDF document text
    • https://cdn.sqhk.co/letojeka/jaQjaha/91596513347.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/rotowan/consolidate_excel_sheets.pdfIn PDF document text
    • http://xowilewegiwo.myartsonline.com/2000_ford_ranger_xlt_4x4_towing_capacity.pdfIn PDF document text
    • http://jawevobafepen.epizy.com/4_weddings_and_a_funeral_parents_guide.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e509e7f3-0f9c-4af2-acff-5229ddbb163c/the_importance_of_being_earnest_film_2002_review.pdfIn PDF document text
    • http://vivizegijarugip.epizy.com/business_card_maker_creator_premium_apk.pdfIn PDF document text
    • https://s3.amazonaws.com/baxegezivumi/application_letter_for_school_admission_format.pdfIn PDF document text
    • https://s3.amazonaws.com/kovezux/avaya_partner_18d_programming_manual.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a83325ca-5c00-46e0-be75-19ea434ad990/el_destino_manifiesto.pdfIn PDF document text
    • http://dasobiviwadodaj.atwebpages.com/55538206896.pdfIn PDF document text
    • https://s3.amazonaws.com/zurovajij/ap_amumu_jungle_guide.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/8649c483-d077-4360-a5da-2dfe649b60ac/bhagavad_gita_quotes_on_karma_in_sanskrit.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/95b90cf2-fe8e-46c7-9fc4-f3329914b8f0/britax_frontier_clicktight_installation.pdfIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f157.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF157 5348 bytes
SHA-256: 88eff0a6b1019319e99c72ef164a899696a6ebb4654889cd81ac7e04d0b7cd3d

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