Malicious PDF — malware analysis report

Static analysis result for SHA-256 06da0599f0255a92…

MALICIOUS

PDF

71.0 KB Created: 2021-02-15 22:01:40 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 606e10623e048eef9a7475904f1f1ccc SHA-1: 7f4ed7df97e1d014578186f0c6f1488cd77896a2 SHA-256: 06da0599f0255a92924c5fbb8fc164d2b5a9fe2d68520013266807770ac58508
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 5

  • 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 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=kenmore+upright+freezer+manual+defrost PDF link annotation
    • https://marizezibafive.weebly.com/uploads/1/3/4/8/134865590/lobalome.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4367646/normal_6003cfaade5aa.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4367302/normal_5ff484cfcb07b.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4387566/normal_600171aab869f.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/robumuduluwise/raxefepew.pdfIn PDF document text
    • https://s3.amazonaws.com/miwolezedubujoz/awaken_my_love_album.pdfIn PDF document text
    • https://s3.amazonaws.com/sefiwegegagu/73515943347.pdfIn PDF document text
    • https://s3.amazonaws.com/juduk/devukewano.pdfIn PDF document text
    • http://niribulikebi.rf.gd/11975340755.pdfIn PDF document text
    • https://s3.amazonaws.com/rogugagatuf/78382882672.pdfIn PDF document text
    • https://s3.amazonaws.com/vojapu/17243506089.pdfIn PDF document text
    • http://juwemijawikipo.epizy.com/rakij.pdfIn PDF document text
    • https://s3.amazonaws.com/pevuwarobuvowa/pinuvubivo.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_off0000d8d5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD8D5 5472 bytes
SHA-256: de7a061374870c3813c3f9e11e9a4155b7da7e2294592662b05dd80160c159f5
font_01_sfnt_off0000eb5a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEB5A 10364 bytes
SHA-256: c3b014f8150a1a496ad5a2137a3c10e791d0a435bac49254eb3160d1d6acb8ee

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