Malicious PDF — malware analysis report

Static analysis result for SHA-256 06ce480be0c65fed…

MALICIOUS

PDF

71.4 KB Created: 2021-02-11 18:33:39 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 3bc09d46fd236bbf75c722dd1f01bd75 SHA-1: 3e3f7f3a38de24b34db0fac864128791fd3dbab4 SHA-256: 06ce480be0c65fedd17bb410a0b28cdff82f2802c581e5e034ae46872feb36d8
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://jacksth.ru/wix?keyword=better+furnaces+mod+minecraft+1.12+2 PDF link annotation
    • https://tiwilofudux.weebly.com/uploads/1/3/1/6/131606348/sulupupuvikilizetun.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4446170/normal_5ffd764921cb2.pdfIn PDF document text
    • https://vuzufakafedovi.weebly.com/uploads/1/3/5/3/135347170/5121109.pdfIn PDF document text
    • https://jubipolofolexi.weebly.com/uploads/1/3/2/3/132302872/1c163f1.pdfIn PDF document text
    • http://jojonavakuxuf.iblogger.org/80839048442.pdfIn PDF document text
    • https://biwizodem.weebly.com/uploads/1/3/4/6/134650183/3627390.pdfIn PDF document text
    • https://remoruputudedux.weebly.com/uploads/1/3/4/0/134017090/kepaleboforon_kajifaga_rilar.pdfIn PDF document text
    • https://bolamowoxuwev.weebly.com/uploads/1/3/3/9/133997192/7c2a67b95a2.pdfIn PDF document text
    • http://tefulen.iblogger.org/50989291962.pdfIn PDF document text
    • https://rixokofumi.weebly.com/uploads/1/3/1/3/131380985/gefagasukox.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://wepexivir.epizy.com/angry_girl_cartoon_images.pdfIn PDF document text
    • http://lunokaruridonal.rf.gd/54634261483.pdfIn PDF document text
    • https://s3.amazonaws.com/dupula/wondershare_filmora_9_32_bit.pdfIn PDF document text
    • https://s3.amazonaws.com/rizezobabub/nojetekanimabe.pdfIn PDF document text
    • http://defozuwonig.rf.gd/talonro_geffenia_farming_guide.pdfIn PDF document text
    • https://s3.amazonaws.com/faluzotixupi/atif_aslam_songs_list.pdfIn PDF document text
    • https://s3.amazonaws.com/somisilegex/annotated_bibliography_example_template.pdfIn PDF document text
    • https://s3.amazonaws.com/suxuzubojut/watercolor_splash_brushes_photoshop_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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000c5f2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC5F2 5400 bytes
SHA-256: c9a725f67f7860873931f8f4d96ede77dbd95209a262f09008573b91fcfe5718
font_01_sfnt_off0000d846.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD846 10336 bytes
SHA-256: 86eae8b948d3f5bd6da44b3a4bd5b977bd398459410a4c2b445291469908f21c
font_02_sfnt_off0000fbcd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFBCD 16064 bytes
SHA-256: f7fb55aa7df24da556f1e6a14ff3e973b5c7274e6851c040e899454d18355684

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