Malicious PDF — malware analysis report

Static analysis result for SHA-256 7a193661d7ecba5b…

MALICIOUS

PDF

45.3 KB Created: 2020-08-06 17:37:39 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 68fb3b21b7368e74f3d66fab402aab94 SHA-1: 6be994cb71713eb286fdee86abbfca9ed2cb253f SHA-256: 7a193661d7ecba5b95199c7f8a784295c719f02ae7e55750fe6b1bddd31ca779
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file contains numerous links, many of which point to a redirector service (ttraff.com) that is known to host malicious content. The document body, though heavily obfuscated, contains the same redirector URL and other URLs pointing to PDF files hosted on Shopify. This suggests a link farm or SEO poisoning tactic designed to lure users into downloading potentially malicious content by disguising it as a valuable resource like a 'value proposition canvas pdf book'.

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://ttraff.com/pify?keyword=value+proposition+canvas+pdf+book In PDF document text
    • http://files.perfectbalancenutrition.org/uploads/1/3/2/6/132682745/fifus.pdfIn PDF document text
    • http://senepisat.canadas911ride.com/uploads/1/3/1/4/131453674/viwaxapuvov.pdfIn PDF document text
    • http://dagivizod.bostondigitalproductions.com/uploads/1/3/1/3/131383544/jakegazevajawerafogo.pdfIn PDF document text
    • http://files.insitju.com/uploads/1/3/1/0/131069904/37120711f58.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/1/0432/2567/7982/files/xozinetedanolegosu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6990/6854/files/foviwigejumubiviza.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1126/7990/files/7230503411.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0378/1013/files/wutenitifiwu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/0325/4696/files/fazosiwevi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8845/3533/files/22149697989.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/56751463133.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/9038/5823/files/22556641225.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0600/0282/files/nitro_reader_64.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0449/3859/2424/files/malayala_manorama_calendar_may_2020.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 7

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_off000073ec.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x73EC 5376 bytes
SHA-256: 3a8a166b0290e75f87bb4b8a6ec28f85f2e3990431497ec80cd5ea6976aad055
font_01_sfnt_off0000864d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x864D 10160 bytes
SHA-256: c3af7e625f1e943ffe9b2255ea329223a893d4f0eab77ec264fe528f20d00384

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