Malicious PDF — malware analysis report

Static analysis result for SHA-256 7346b8c5992b2862…

MALICIOUS

PDF

41.6 KB Created: 2020-08-01 15:40:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: b610c1924c3f27343108ad7835cfc4c5 SHA-1: 712e5f29d4dbe8c94d00689cfc05d0d4055e4609 SHA-256: 7346b8c5992b28623764776e92ab34111f5dadd32cfe5f77c437264f364f21b1
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF document contains a large number of embedded links, many of which point to a redirector service (ttraff.cc) that is known to host malicious content. The document body, though obfuscated, contains the same redirector URL and several benign-looking PDF links, suggesting a link farm or phishing lure. The ML classifier strongly indicates maliciousness, and the presence of numerous external links points to an attempt to drive traffic to malicious infrastructure.

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.cc/pify?keyword=noblesse+oblige+meaning In PDF document text
    • http://files.canesband.org/uploads/1/3/0/7/130739060/2690814.pdfIn PDF document text
    • http://files.dissmathstutor.co.uk/uploads/1/3/0/7/130775921/ratigabuza.pdfIn PDF document text
    • http://files.pickleball-germany.net/uploads/1/3/0/7/130775634/boxopamokufafame.pdfIn PDF document text
    • http://files.bjeweledboutique.com/uploads/1/3/1/4/131438899/lirulubi-wuweloduzoba.pdfIn PDF document text
    • http://files.rbcdesignsllc.com/uploads/1/3/1/3/131378771/e63e3ba16e7.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/1/0432/1778/0896/files/94628217957.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7028/2142/files/19339725135.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1678/9927/files/givagovepojufa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/72710717911.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/4937/6161/files/nj_homestead_rebate_2014.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/0428/1511/files/17725043743.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/figarawevig.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8558/6849/files/67527215703.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8221/1733/files/66534546698.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_off00006299.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6299 5020 bytes
SHA-256: e0e7f51641395dcbc6187baca8ddbbd8ed47c5126495d1b9ce97c51e8c84aebc
font_01_sfnt_off0000739d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x739D 11200 bytes
SHA-256: 169e285e8311ec578546ceebc55fd90567c701a8b6bf3c93ad76c38af6593c0c

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