Malicious PDF — malware analysis report

Static analysis result for SHA-256 04a61b8ec806bfe9…

MALICIOUS

PDF

40.3 KB Created: 2020-08-25 02:06:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: ddc9577fee6d88efd92871dbc2baf9c4 SHA-1: 2dd88e64ef504c9609771ddeb646a7afddc338b9 SHA-256: 04a61b8ec806bfe9c75daefd6957d2024fe95f05ed3dd6d1f8ff2c381bc68435
202 Risk Score

Malware Insights

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

This PDF file contains a large number of embedded links, many of which point to a redirector service. The redirector is designed to obscure the true destination, which appears to be a link farm of other PDFs hosted on Shopify and other domains. The ML classifier strongly indicated maliciousness, and the presence of a redirector link suggests a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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=sheet+music+army+song In PDF document text
    • http://files.donnamulhollandstudio.com/uploads/1/3/0/7/130776388/dufanebegu.pdfIn PDF document text
    • http://tutal.spiralofaccountability.com/uploads/1/3/1/6/131636725/444936e40.pdfIn PDF document text
    • http://files.williammonaguenativeart.com/uploads/1/3/0/7/130739747/vunidegote.pdfIn PDF document text
    • http://files.ame-geolab.com/uploads/1/3/1/6/131637402/gofibukazizo_texoji_beweku_dipopogi.pdfIn PDF document text
    • http://files.veresan.com/uploads/1/3/0/7/130776054/dcfa9a.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/1/0432/6332/8418/files/pisakomeru.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/0381/2773/files/3055252399.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8702/8641/files/60564577582.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5100/8671/files/tamob.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3121/5780/files/48849787894.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4379/0760/files/85114950502.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/7541/2902/files/biological_anthropology_michael_alan_park.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8424/2334/files/roserava.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0450/6681/3590/files/tuzikaxenatatedixisata.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/9648/8613/files/wogimovetigufunukiba.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 8

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_off00005fc4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5FC4 5388 bytes
SHA-256: 55b128b52ffa0e3fe6fc594dd49a3bfc7f2da6434dbb6ab775b2abef8b5eadfe
font_01_sfnt_off000071f1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x71F1 10220 bytes
SHA-256: 29dacbd982e13ce760d1e3bd654b3bc8a2962d9f60b39913e14d477a2b77800b

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