Malicious PDF — malware analysis report

Static analysis result for SHA-256 e0903501a1f22c78…

MALICIOUS

PDF

70.9 KB Created: 2021-02-20 16:47:43 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: b54bc1fa9577d5d85fe567bd10f1b176 SHA-1: 85880a702863c035b4cded7e73c2eb8888160f64 SHA-256: e0903501a1f22c7810ae0bbdb0eda0611497048c874b5d011ed3b8c6543ea6c9
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 6

  • 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 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://seumenha.ru/wix?keyword=stuart+wilde+affirmations+pdf PDF link annotation
    • https://lozepexowazabi.weebly.com/uploads/1/3/1/4/131409761/xomotevixegur_pefevilanufitum_veroz.pdfIn PDF document text
    • http://expressday.online/wrong_turn_7_full_movie_download_in_hindi_dubbed_300mblbbrj.pdfIn PDF document text
    • https://navikeput.weebly.com/uploads/1/3/4/7/134755574/382598.pdfIn PDF document text
    • https://romarifekaxa.weebly.com/uploads/1/3/2/6/132683260/1fbb55cb86805ad.pdfIn PDF document text
    • https://cdn.sqhk.co/sitosuduf/fheEjcY/harvest_moon_one_world_ps4.pdfIn PDF document text
    • https://cdn.sqhk.co/ketifoseja/hfjcDRN/kibokapemenaduzoxu.pdfIn PDF document text
    • http://milanomoda-italy.site/kabepebaguwiretajtw5un.pdfIn PDF document text
    • https://cdn.sqhk.co/vumulevezuf/ibhgrhU/music_player_bass_booster_free_download.pdfIn PDF document text
    • https://cdn.sqhk.co/lelogivotosu/yhdgjRJ/xipebijizi.pdfIn PDF document text
    • https://cdn.sqhk.co/texojijoraso/hbghqdz/13856204212.pdfIn PDF document text
    • https://rajexomogalifi.weebly.com/uploads/1/3/4/8/134891851/93434c8c.pdfIn PDF document text
    • http://lnstagramsupportinfo.com/antrag_baukindergeld_brandenburgepe70.pdfIn PDF document text
    • http://help-feedback-amzn3.xyz/34607008838p0dwp.pdfIn PDF document text
    • http://fsfsfd.xyz/virus_news_today_scotland0x0rd.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/dutimajizowa/49556821246.pdfIn PDF document text
    • https://s3.amazonaws.com/xipavir/bittorrent_mod_apk_free.pdfIn PDF document text
    • https://s3.amazonaws.com/bakoloj/xukorebavenebisidopuwazi.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ccfb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCCFB 5380 bytes
SHA-256: 8bf2aee0c472bcb5d1604db4b25a345a47c3b55eb9fe17db7b82b850e70f77d7
font_01_sfnt_off0000df3e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDF3E 4468 bytes
SHA-256: 74df03fae10ea7584860e00a793d512651de4ff23c44a37acba06ce684816bdc
font_02_sfnt_off0000eb33.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEB33 10208 bytes
SHA-256: 5d252206929a8685fd6a5498abd0d0855e5697056ea6df8f8194bca50877ebf3

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