Malicious PDF — malware analysis report

Static analysis result for SHA-256 2bd278f944ced0c6…

MALICIOUS

PDF

45.0 KB Created: 2020-08-04 03:28:06 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: d1a76b61572d4b6a930e5c24b946b971 SHA-1: 6208f42339912b0ebb4cf164bb21038e98ca8e0c SHA-256: 2bd278f944ced0c6f1570dd1fb837a9d3ae426c3989ec02ef41858c6b7f0e430
194 Risk Score

Malware Insights

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

The PDF contains numerous links to external resources, masquerading as a 'career development strategies pdf'. One of these links, https://ttraff.cc/pify?keyword=career+development+strategies+pdf, is identified as a malicious redirector. The document's structure and the presence of a malicious redirector strongly suggest a phishing or scam attempt, likely using a spearphishing attachment vector. No scripts were extracted, but the embedded links are the primary threat.

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=career+development+strategies+pdf In PDF document text
    • http://files.7asidesoccer.ca/uploads/1/3/0/7/130739287/turaxazulilutu-vuwojamuvok-nudogo-jinopuduwim.pdfIn PDF document text
    • http://files.j-6forge.com/uploads/1/3/1/3/131380354/mijuwunefi.pdfIn PDF document text
    • http://files.portsoy-holiday-cottage.co.uk/uploads/1/3/1/6/131636891/puvoxozuzab-tefom.pdfIn PDF document text
    • http://files.krownedbykenyakollection.shop/uploads/1/3/0/7/130738836/desuwa.pdfIn PDF document text
    • http://files.r3dband.com/uploads/1/3/0/7/130775395/cc617623fe5a.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/1/0429/2398/3001/files/mamelitiwimozavusitiw.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/1355/4855/files/83908605773.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/nuruge.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9892/3427/files/40829885514.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2986/3323/files/lance_travel_trailer_reviews.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/jisabisagubimebusogapasof.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/6480/0918/files/49342823537.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5039/2984/files/27925473959.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3057/6278/files/alamo_drafthouse_calendar.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/9821/9420/files/xasimuzefemubo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/51906755497.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3699/9833/files/zeserarokidawuju.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9966/9151/files/36179739638.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007328.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7328 5324 bytes
SHA-256: e3a3c2ab2cd24ad2ec96fa86e19aa1795e97f95cea493545dccdeb6581a6c2a8
font_01_sfnt_off00008539.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8539 9792 bytes
SHA-256: c952294ced41deb3a96b067e0c764cd3a34296c7563ecaf60b3aa45f8347ba1c