Malicious PDF — malware analysis report

Static analysis result for SHA-256 6ac5c4aeff7c0100…

MALICIOUS

PDF

42.6 KB Created: 2020-08-20 10:58:35 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: ec2dbf11bbd5b63329df7c18a3d98399 SHA-1: 46eb6e348d9a0e3adb20d9aab8a7a07e2cc8b7e5 SHA-256: 6ac5c4aeff7c01003ef3851873f281700a97f2a4e804bc609b12b44acd97a5f4
194 Risk Score

Malware Insights

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

The PDF contains numerous links, including a critical redirector link to 'ttraff.cc', indicating a malicious intent to direct users to potentially harmful content. The presence of a link farm and an SEO redirector suggests a phishing or malware distribution scheme disguised as a free resource. Although no scripts were explicitly extracted, the PDF structure and embedded links strongly suggest an attempt to exploit user curiosity for malicious purposes.

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=awesome+fonts+free In PDF document text
    • http://files.thespeakerstore.co.uk/uploads/1/3/2/7/132740281/taxanorokatuw-vomupelix-vavireve-kugowibe.pdfIn PDF document text
    • http://files.southernyogatherapy.com/uploads/1/3/1/4/131438899/8808073.pdfIn PDF document text
    • http://files.sakonnetlighthouse.org/uploads/1/3/2/7/132712119/wotogegowuzepoxomen.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/1/0431/6620/4066/files/novobuzuzitukekaw.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/9284/3422/files/brushless_dc_motor_primer.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2821/6997/files/14001215900.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8207/2732/files/94465685907.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0993/2440/files/jetenifowatolojufesaxab.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5369/5644/files/67576776979.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4853/3142/files/lowawuneboxigifirabutufug.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1715/0368/files/15951410295.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9302/5183/files/chrome_os_iso.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/9626/7168/files/18413754378.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 5

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_off00006b2e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6B2E 4752 bytes
SHA-256: f2bdf8d2adfc76e8697fab0af4cb160b4865c7f95e05f80e8c3a64966f408a32
font_01_sfnt_off00007b4c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7B4C 9908 bytes
SHA-256: 793ef4e3860ea573396ad71baa1fa83f8ed5985524cd5e877c734a93e4c89b48

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