Malicious PDF — malware analysis report

Static analysis result for SHA-256 02f5b68c16937a13…

MALICIOUS

PDF

72.0 KB Created: 2021-02-22 02:17:44 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: ac39926aa4ad8b902998fd7e37593932 SHA-1: 02d5f21dd52835b4d97a4b8bcf1c38232b7a0ad1 SHA-256: 02f5b68c16937a131f955c94e4b1af3415ef8f08445e1a2afd491d818ac1d407
196 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.
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • 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://bologen.ru/wix?keyword=tom+gold+run+hack+apk PDF link annotation
    • https://sawisede.weebly.com/uploads/1/3/2/6/132681865/b055e69.pdfIn PDF document text
    • https://xevezuwojuko.weebly.com/uploads/1/3/0/7/130740392/2c00bf88f30a4d.pdfIn PDF document text
    • https://cdn.sqhk.co/zofizitene/thepdtz/73622645447.pdfIn PDF document text
    • https://vilinumatilaji.weebly.com/uploads/1/3/2/7/132740241/583397.pdfIn PDF document text
    • http://nubolutlion.xyz/who_dies_in_avengers_endgame_comicpo8t8.pdfIn PDF document text
    • https://gufekesunix.weebly.com/uploads/1/3/4/8/134888283/14e8d5f2.pdfIn PDF document text
    • https://cdn.sqhk.co/mogowepuw/ieex5MO/zombie_planet_ar.pdfIn PDF document text
    • https://giruwaferelesed.weebly.com/uploads/1/3/4/8/134850821/bacc805.pdfIn PDF document text
    • http://damita.fun/33196024435og6z7.pdfIn PDF document text
    • https://cdn.sqhk.co/fakupavod/jjCgjD0/89186715928.pdfIn PDF document text
    • http://smotrikino.fun/bad_blood_secrets_and_lies_in_a_sili2iycs.pdfIn PDF document text
    • https://lafajadisevo.weebly.com/uploads/1/3/1/4/131454770/gifij_dijigi.pdfIn PDF document text
    • https://donabetolemi.weebly.com/uploads/1/3/1/6/131637402/0d61e4c.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/nitajosasa/how_to_make_an_appointment_with_dmv_ca.pdfIn PDF document text
    • https://s3.amazonaws.com/xoxaneral/88755017314.pdfIn PDF document text
    • https://s3.amazonaws.com/mixanaz/95401419747.pdfIn PDF document text
    • https://s3.amazonaws.com/tawovojo/oblivion_astor_piazzolla_sheet_music_free.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_off0000de14.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDE14 5324 bytes
SHA-256: 5496669cf0cdfaadecc0b035668c740b1ed6ee88c83ea13d3a1726fe6178eafa
font_01_sfnt_off0000f003.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF003 10200 bytes
SHA-256: 8dfae5f78b9d9b47536ce92e74c5f37f763c4a2a90d4c8bf266a55acfbf71c99