Malicious PDF — malware analysis report

Static analysis result for SHA-256 29302eed40b51e0d…

MALICIOUS

PDF

35.6 KB Created: 2020-09-30 22:15:50 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-17
MD5: 1b81e1fcf766cb40ec301ee436867bae SHA-1: 1b504479439400e4f834ba90eb0a68fc0df2b3e9 SHA-256: 29302eed40b51e0d3b1c671af0c36193bc030a60e28aeda740fd795f644089a2
194 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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.
  • 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://gettraff.ru/strik?keyword=bluebells+of+scotland+trombone+pdf+free In PDF document text
    • http://vaxigape.mayamuir.com/uploads/1/3/1/4/131406893/lexarukosudef-wisuzadifo.pdfIn PDF document text
    • http://files.thinkconceptually.com/uploads/1/3/0/7/130739614/digivutemofiwuxobe.pdfIn PDF document text
    • https://site-1036640.mozfiles.com/files/1036640/vuzawufebuz.pdfIn PDF document text
    • https://site-1036659.mozfiles.com/files/1036659/kazeganonibowiwu.pdfIn PDF document text
    • https://site-1036775.mozfiles.com/files/1036775/bodewojasafaratop.pdfIn PDF document text
    • https://site-1036656.mozfiles.com/files/1036656/mamelizifafefadojemuvi.pdfIn PDF document text
    • https://site-1036743.mozfiles.com/files/1036743/migok.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/65069223210.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/1097/9997/files/pudigenixipu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5279/2982/files/2488675689.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9331/9068/files/39399490583.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4557/6088/files/delta_airlines_swot_analysis.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2149/2643/files/k7_laptop_antivirus_app.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/5461/9041/files/bowufonubunibo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3907/2161/files/23505735737.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

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004a3d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4A3D 5492 bytes
SHA-256: bf929ba1c4b07315ced72451389c8c80f4e0714d297f8442f0db2823a02f794d
font_01_sfnt_off00005ccd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5CCD 11332 bytes
SHA-256: cf8a1f1b4d5f9abb9af8606b7712fb5ed5525a0d163c19772206f50d715ba171

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