Malicious PDF — malware analysis report

Static analysis result for SHA-256 aba7c382b7242bc4…

MALICIOUS

PDF

67.0 KB Created: 2021-03-03 00:21:14 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: b7e6ce483d65bc1d0155ceeb2061a08a SHA-1: 184c15bce80fcc174a1c1550cfc162b81568e47f SHA-256: aba7c382b7242bc47b07931807ed4974aedbb660880f2290177fa91fcc4c4ae8
166 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
  • Image-heavy PDF with invisible link to suspicious domain high PDF_SUSPICIOUS_LINK_LURE
    PDF is a small image-heavy lure with invisible link annotations that send the user to a suspicious high-risk-domain URI. This matches credential-phishing carriers where the visible document is only a prompt and the real collection flow happens on the linked website.
  • 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://fokemale.ru/award?keyword=bose+sounddock+remote+control PDF link annotation
    • http://prizinsta365.website/gojavideruzura06ap4.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4426697/normal_5fdd7b9b7e9dd.pdfIn PDF document text
    • http://repair-kompov.ru/wahl_hair_clipper_combs_ukwlkd7.pdfIn PDF document text
    • http://meetsalon.xyz/37869169238orq8j.pdfIn PDF document text
    • http://tonerinkstore.com/7331167370418n4m.pdfIn PDF document text
    • http://lami-lashes.site/can_you_make_a_smoothie_with_oatswu2tv.pdfIn PDF document text
    • http://tiktokhd.design/musical_instruments_dnd_5ek424e.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4460954/normal_5fdf9e2653e49.pdfIn PDF document text
    • http://vilopeg.xyz/constant_velocity_worksheet_4wewp0.pdfIn PDF document text
    • http://manthoughtswebsite.website/zulowitowovixozadimaky8pa9.pdfIn PDF document text
    • http://mebel-albero.ru/72818200346uhvod.pdfIn PDF document text
    • http://opencabinets.xyz/gofijitobonetujuduwud4kfz.pdfIn PDF document text
    • http://managerprogram.live/mawasubejozemixodahbi9m.pdfIn PDF document text
    • http://straponartist.com/250732596116i80u.pdfIn PDF document text
    • http://henrysavbr.site/shadowing_at_work_meaningnn32u.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://wevedikelu.epizy.com/everton_v_west_ham_match_report.pdfIn PDF document text
    • http://kifilexaxinazer.epizy.com/nomawozuniser.pdfIn PDF document text
    • http://dajomezivurisal.epizy.com/pet_sematary_cast_1989_little_boy.pdfIn PDF document text
    • http://lepejojesel.rf.gd/catechism_of_the_catholic_church.pdfIn PDF document text
    • http://nufurezoguboli.epizy.com/raymond_carver_what_we_talk_about_when_we_talk_about_love_analysis.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_off0000cc31.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCC31 4988 bytes
SHA-256: 975f48c7c9218d54607970fd61f384fc1f7db341361292a383342ae860c48d3e
font_01_sfnt_off0000dd1a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDD1A 10052 bytes
SHA-256: fffb45e35b4047827783a30a9a666dd18ddcaac1eaf01a9bf754228f3155b5ad