Malicious PDF — malware analysis report

Static analysis result for SHA-256 595d74146a871051…

MALICIOUS

PDF

39.8 KB Created: 2020-08-06 03:41:34 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: b69b410e75c613441bd666b870c2efe0 SHA-1: c3a066f972eb20b4d14692197a424dce6f8ead20 SHA-256: 595d74146a871051bdc4c3f00d0a18ce942e2474540189a537d7dd9f8195d0f7
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a critical heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.com/pify?keyword=c+programming+notes+pdf+handwritten'. This indicates the document's primary purpose is to redirect users to malicious infrastructure, likely for further exploitation or credential harvesting. The presence of numerous other PDF links, many hosted on Shopify, suggests a link farm or SEO poisoning tactic to increase visibility. No scripts were extracted, but the malicious redirector is a high-confidence indicator of malicious intent.

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=c+programming+notes+pdf+handwritten In PDF document text
    • http://gikaxedik.russaultmotorsports.com/uploads/1/3/2/6/132683014/4069029.pdfIn PDF document text
    • http://files.thesenseofplace.com/uploads/1/3/1/4/131408027/952189.pdfIn PDF document text
    • http://files.compassionchristian.men/uploads/1/3/1/0/131069934/gutudalolonemun_biromuteripemil_pevew_jifarusefo.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1614/2497/files/aacs_2._0_cracked.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/9818/6652/files/jowopebavaloxaleb.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8475/9711/files/zepeterezopifi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/7737/6936/files/zudemu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6051/7269/files/16275801714.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/0777/7702/files/paratormonio_e_calcitonina.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2296/7206/files/77311925421.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6747/3046/files/ank_c3_bcndigung_d_kommens.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/9091/2159/files/numorudivigamiwefakum.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/8031/8118/files/17587025709.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5225/3863/files/bomulixigin.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004f07.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4F07 5328 bytes
SHA-256: cdee82c1bc2af7c8d98d4338d7d4d4069585d866beac6dac1ae92efc327f82d5
font_01_sfnt_off00006105.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6105 10300 bytes
SHA-256: cc1defc269d9afcebe536d9ebeaf0cadffdbaa6f10fc5e1f39fe9f548fa48455
font_02_sfnt_off0000843d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x843D 4324 bytes
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34

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