Malicious PDF — malware analysis report

Static analysis result for SHA-256 0d006f65b887ae9b…

MALICIOUS

PDF

68.2 KB Created: 2021-02-16 02:04:35 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 66083d81531275745bd25c3482a14cef SHA-1: 328dd33da41edf51beea6264754b5dc9e5d63e4d SHA-256: 0d006f65b887ae9b4b9a9b83597d2a9d51ee6bbe883c6d9a7af6639528efc7dc
196 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.
  • 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://maypoin.ru/wix?keyword=chilton+auto+repair+manuals PDF link annotation
    • https://kiwosetivugo.weebly.com/uploads/1/3/0/8/130874254/seraxudojutali_bumoladivulowip.pdfIn PDF document text
    • https://pegupirorig.weebly.com/uploads/1/3/1/4/131406852/fovor_sewinuwuvowet_fotaderugaredo_jitevutej.pdfIn PDF document text
    • https://tiputanamadavok.weebly.com/uploads/1/3/5/3/135314880/zupikefusoko_venipaki.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4477649/normal_5fc81b7c5c4ef.pdfIn PDF document text
    • https://rurusoweloxefug.weebly.com/uploads/1/3/3/9/133989150/gemibukodovowob-mipuwuxomofax-binaziz.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4423699/normal_5fe69429c4cbc.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4405895/normal_5ff7094dc4a36.pdfIn PDF document text
    • https://vataripisak.weebly.com/uploads/1/3/4/6/134600115/neropu.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4417998/normal_5fcc320953646.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/fakuguvil/bootloader_samsung_ace_3.pdfIn PDF document text
    • https://s3.amazonaws.com/dazutun/bogitaxakile.pdfIn PDF document text
    • https://s3.amazonaws.com/getizar/bloons_td_battles_pc.pdfIn PDF document text
    • https://s3.amazonaws.com/zabejuvijolu/bolero_ravel_music_sheet.pdfIn PDF document text
    • https://s3.amazonaws.com/wutezigojuxi/29448790952.pdfIn PDF document text
    • https://s3.amazonaws.com/najipavez/online_english_worksheet_for_ukg.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_off0000cd16.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCD16 4964 bytes
SHA-256: 0e2fba319abdc3c09bf54e579d1c933b5123428558da151fe4dac07c19d5c531
font_01_sfnt_off0000ddc5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDDC5 10724 bytes
SHA-256: 10b2ac75337877f4fb51db033221ccff04886563a245a5dc830f7c98be5b1002