Malicious PDF — malware analysis report

Static analysis result for SHA-256 5f082e13701696c3…

MALICIOUS

PDF

72.2 KB Created: 2021-03-01 20:44:07 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-10
MD5: 2083ed10d057379ec61e2064b4b413e5 SHA-1: fe316cc1ee402bbe7e40d2b343ded7cd260cbb55 SHA-256: 5f082e13701696c3b15a0697e86249b7065054f9d05a35b743bdb35ade9adf2b
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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.
  • 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
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The 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.
  • 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://mezovuduw.ru/award?keyword=ps+i+still+love+you+3+movie PDF link annotation
    • https://lebudikex.weebly.com/uploads/1/3/5/3/135310552/dejuwevoraz_baweredidubi_pimokanigeboruj.pdfIn PDF document text
    • https://cdn.sqhk.co/jinubodilev/MhbFjcF/slice_and_dice_meaning_data.pdfIn PDF document text
    • https://cdn.sqhk.co/mozejipakas/R4ZB1NW/39461927835.pdfIn PDF document text
    • https://cdn.sqhk.co/wisewuguv/7c0gftL/bowling_crew_3d_bowling_game_mod_apk_download.pdfIn PDF document text
    • https://nefovevetovuj.weebly.com/uploads/1/3/5/3/135390951/silisobi.pdfIn PDF document text
    • http://fapasevusiledap.mygamesonline.org/dark_souls_2_best_curved_swords.pdfIn PDF document text
    • https://cdn.sqhk.co/bipuzojafa/ghjihjb/13308282527.pdfIn PDF document text
    • http://bubuletigesin.iblogger.org/91693067526.pdfIn PDF document text
    • https://cdn.sqhk.co/wukomidekepu/7hdwuic/walking_dead_cast_still_alive.pdfIn PDF document text
    • https://cdn.sqhk.co/xolofiwano/ashjjaj/32174819521.pdfIn PDF document text
    • http://lupelisizi.medianewsonline.com/80663423182.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://kezasifofajimo.rf.gd/4k_wallpaper_for_windows_10_free.pdfIn PDF document text
    • http://gatezuzemup.epizy.com/weletogikotigupaxi.pdfIn PDF document text
    • http://gawadatij.rf.gd/the_amityville_horror_full_movie_720p.pdfIn PDF document text
    • https://s3.amazonaws.com/dadupawo/do_re_mi_choir_sheet_music.pdfIn PDF document text
    • https://s3.amazonaws.com/nowokil/safe_alcohol_drinking_guidelines_canada.pdfIn PDF document text
    • https://s3.amazonaws.com/pisik/pulagawap.pdfIn PDF document text
    • http://tujefozumuresul.epizy.com/90273231358.pdfIn PDF document text
    • https://s3.amazonaws.com/wizedumi/addendum_to_contract.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.

FilenameKindSourceSize
font_00_sfnt_off0000e075.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE075 4852 bytes
SHA-256: bfea61dfcdda4c7003d5d23b7edf466580c3790b9f2f91ad4ecca1cf297fb5c0
font_01_sfnt_off0000f0fd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF0FD 10240 bytes
SHA-256: 4cec0f04b1b5d0f4065361f6afa24857e2e0afa0adf27f5b6ec2c575a5c01563

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