Malicious PDF — malware analysis report

Static analysis result for SHA-256 84242ba81402a6f3…

MALICIOUS

PDF

42.7 KB Created: 2020-08-03 09:49:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 3ec47a0248b661fcde0cd3881721c0b9 SHA-1: 889df5b19b2a13740ef7f2f24899d28f09163c5a SHA-256: 84242ba81402a6f35e7c3f33be43bc0f39ddaad2852164ff20e8d882a236b9b7
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains numerous embedded links, many of which point to a redirector service (ttraff.com) known for malicious activity. The document body, though heavily obfuscated, also contains the URL https://ttraff.com/pify?keyword=the+toyota+way+pdf, suggesting a phishing or scam lure. The presence of a link farm and a redirector indicates an attempt to drive traffic to malicious infrastructure, likely for further exploitation or credential harvesting.

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=the+toyota+way+pdf In PDF document text
    • http://files.benedictnnolim.com/uploads/1/3/0/8/130874026/6207320097.pdfIn PDF document text
    • http://files.wxhercules.com/uploads/1/3/1/4/131452904/popusowivabit.pdfIn PDF document text
    • http://files.lakesideexotics.com/uploads/1/3/0/9/130968962/gutogis.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/1/0427/4028/5607/files/mame_dat_files.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8506/1541/files/19069217337.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/4733/5574/files/2008_ford_focus_owners_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5672/6165/files/85732169325.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/5834/0774/files/schumacher_se-_4022.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/6482/8838/files/98730584439.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5202/3458/files/57164135250.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8898/6783/files/54736065139.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9075/6259/files/8601102765.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/0687/0183/files/42084581478.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/32829552166.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/9914/2810/files/88232802747.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 4

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_off000069b8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x69B8 4964 bytes
SHA-256: fd7b7b0198e9681eca2af627e4e734d7daac181d54afbdf0b211e76033df6a53
font_01_sfnt_off00007abd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7ABD 10496 bytes
SHA-256: 9d2010b0183e8371b99e7eb24c95945fbd04d47f6c405a65c9d10761bba60917

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