Malicious PDF — malware analysis report

Static analysis result for SHA-256 b31b35cdd3ec8c86…

MALICIOUS

PDF

39.7 KB Created: 2020-08-11 13:11:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 3debd4db9ca9ab0a328494073fc6814e SHA-1: 5c35495dd62d4548215cc0af2a9ffc85075b5390 SHA-256: b31b35cdd3ec8c860a9b355b5f4a61e980e8697d09ec837f6386ae7451a78a27
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of embedded links, many of which point to a link farm hosted on cdn.shopify.com. One of the primary links, https://ttraff.cc/pify?keyword=blessing+and+honor+victory+worship+chords+pdf, is identified as a malicious redirector. This suggests the document is designed to lure users to malicious infrastructure by disguising its intent with a seemingly harmless topic.

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=blessing+and+honor+victory+worship+chords+pdf In PDF document text
    • http://files.my911alerts.com/uploads/1/3/2/6/132682862/f7e28353d4d250c.pdfIn PDF document text
    • http://vafilu.tobiascwong.com/uploads/1/3/2/8/132814930/sogowunuko-pedarelokuwi.pdfIn PDF document text
    • http://files.knowlebadminton.com/uploads/1/3/1/0/131070792/jajujuwikirep-lozelofobomiva.pdfIn PDF document text
    • http://files.jlnjspac.org/uploads/1/3/0/8/130874634/2989030.pdfIn PDF document text
    • http://files.kimberlydark.com/uploads/1/3/1/3/131398059/suxuzaju_mexexataza_zuzalip.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/1/0440/5788/6870/files/26206005512.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0863/0681/files/fojuwofumubogokebuz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3314/1149/files/8738493279.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/99744184538.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7195/5351/files/casio_g_shock_5121_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gekisemegudifusoledo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/9448/1821/files/53467026351.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/duliwoledemovaj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7854/8630/files/36444693599.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3025/7568/files/89411853135.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_off00004f9a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4F9A 5720 bytes
SHA-256: 1e52390a0fd303994145c04d57a352b66727f8fea0cb222a3ba0dda4d1e2584b
font_01_sfnt_off00006327.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6327 14308 bytes
SHA-256: 6cbe971eb9f4b474cf21e7324030e1e09f4154fff69a2b21bb7d527d48fb4843

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