Malicious PDF — malware analysis report

Static analysis result for SHA-256 1886a9be95858ac1…

MALICIOUS

PDF

69.9 KB Created: 2021-02-22 10:15:54 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: d00e0e70e041d601fb220341de0a0633 SHA-1: 1c864bfc44ead0fa60b66849b7249f22133be286 SHA-256: 1886a9be95858ac18af39f53e26739117403fe8088161fe1986fbdfa97ea1435
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://druttle.ru/wix?keyword=ingenuity+power+adapt+portable+swing+abernathy+manual PDF link annotation
    • https://molesomux.weebly.com/uploads/1/3/2/6/132681378/c39a5ede4e85.pdfIn PDF document text
    • http://lifegirls.site/kiwefitoyxmus.pdfIn PDF document text
    • https://pifabevab.weebly.com/uploads/1/3/4/7/134721676/09d4fb.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4404975/normal_6004f3e534920.pdfIn PDF document text
    • http://1gusevshop.space/blockchain_revolution_don_tapscottgb1by.pdfIn PDF document text
    • https://ziduxaxeg.weebly.com/uploads/1/3/1/3/131380546/f3a28b8437a.pdfIn PDF document text
    • http://topstudy.fun/bushi_kabuto_homare0yq7s.pdfIn PDF document text
    • http://forpost-electrica.ru/different_types_of_beaks_and_feet_of_birdsj2iz4.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/dinisemowoge/automotive_lighting_design.pdfIn PDF document text
    • https://s3.amazonaws.com/womirofop/bike_race_pro_mod_apk_android_1.pdfIn PDF document text
    • https://s3.amazonaws.com/muvarelo/79722486121.pdfIn PDF document text
    • https://s3.amazonaws.com/jotizifime/state_capitals_practice_sheets.pdfIn PDF document text
    • https://s3.amazonaws.com/sobaketemu/saxesodatim.pdfIn PDF document text
    • https://s3.amazonaws.com/tozaduliwubega/74377766936.pdfIn PDF document text
    • https://s3.amazonaws.com/padosumifubobo/apple_balanced_scorecard.pdfIn PDF document text
    • https://s3.amazonaws.com/ropuba/73950100237.pdfIn PDF document text
    • https://s3.amazonaws.com/xupovobejanam/cetoacidosis_diabetica_ada_2009.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_off0000d32a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD32A 5644 bytes
SHA-256: 0601fda1baca423fe7ca97374ebdc6a723d970565071869f99c097070803ec4f
font_01_sfnt_off0000e643.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE643 10596 bytes
SHA-256: 0df1add00cc303786518017aef46df1a551b9b1ace1336d249f91c955b0b66d8

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