Malicious PDF — malware analysis report

Static analysis result for SHA-256 163f04e61e7e6c01…

MALICIOUS

PDF

41.2 KB Created: 2020-08-24 03:00:41 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: f42bb2d32bc95d8f16fce695aefa2428 SHA-1: 84a9a14f45a33c8ea57ac33e9f510fc48e305c8c SHA-256: 163f04e61e7e6c01aedf2b68d1c071ffb3b6c84c909c0b5e6405e244e6f05219
194 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, many of which point to an SEO redirector infrastructure. The primary redirector URL, 'https://ttraff.cc/pify?keyword=b+d+diesel+performance+abbotsford+bc', is flagged as malicious. This suggests a phishing or scam attempt, likely using the guise of providing information or downloads to trick users into clicking malicious links. No scripts were extracted, but the structure indicates a link farm designed for SEO manipulation and redirection.

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=b+d+diesel+performance+abbotsford+bc In PDF document text
    • http://mevizabab.raquelharrington.com/uploads/1/3/2/7/132710621/36fb46.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/1/0433/1254/5950/files/felotimiwojowonifu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4078/5062/files/jurnal_tentang_boraks_dan_formalin.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9456/4252/files/53424032731.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3106/8825/files/kodi_genesis_2016.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3526/3138/files/xepepobe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7243/8947/files/transformers_g1_all_autobots_and_decepticons.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7258/5888/files/bigupopaga.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1977/9742/files/descargar_bilibili_apk.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9026/4742/files/bupelo.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 1

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_off000060e5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x60E5 5492 bytes
SHA-256: 09dd40422b7e1ba1b2cc6eafef5ce5c3759d18d295289a0751082f40c83af4f0
font_01_sfnt_off00007370.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7370 10988 bytes
SHA-256: ccd96264b385badc43a292c858041a6f7e207f59a100a2a7a53d2ef0b4d5e5f0

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