Malicious PDF — malware analysis report

Static analysis result for SHA-256 f3d024336ea37a98…

MALICIOUS

PDF

53.8 KB Created: 2020-08-04 21:41:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 8abfc1f656543ac61e1eb38c0deb3933 SHA-1: 1a797292aa62c1126fd06402d0cfecd203c90093 SHA-256: f3d024336ea37a9820e7ede5ee7d6cffe3260194d6b3a871b3cbb78b6f5197e6
194 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, with at least one pointing to a known malicious redirector (ttraff.com). The document body, though heavily obfuscated, contains the URL 'https://ttraff.com/pify?keyword=peer+assessment+in+education+pdf', suggesting a phishing or redirection attempt. The presence of a link farm further supports the malicious intent of directing users to external, potentially harmful, sites.

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=peer+assessment+in+education+pdf In PDF document text
    • http://files.grandaveplaza.com/uploads/1/3/1/3/131398095/zujupodo-vomasumivofagi-xonovogaf.pdfIn PDF document text
    • http://files.karmakunst.com/uploads/1/3/1/8/131871462/73d0d679b28d.pdfIn PDF document text
    • http://files.ginaorlando.org/uploads/1/3/0/7/130776483/70a6697cd1.pdfIn PDF document text
    • http://files.beayogawellbeing.com/uploads/1/3/0/7/130740033/ef86a8a6f2b7.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/1/0429/7133/2767/files/nugobaditaxedokufikonisi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3188/6998/files/87243966673.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2073/0011/files/9843274580.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/7351/2359/files/trapping_rain_water_stack.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/dotalufakelani.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7945/1289/files/85972780092.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/6354/8831/files/buzixobisuxogaguzipe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/lovukapovilelogitolosir.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/0425/4615/files/52194084107.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/rerotapok.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4514/3207/files/64450372689.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9932/4567/files/xoxebopavapojavanigudite.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/4989/1478/files/the_legend_of_zelda_ocarina_of_time_walkthrough.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0885/2117/files/buvadorofekiligo.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 5

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_off0000930f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x930F 5272 bytes
SHA-256: 8990cd9403fd55e88954906e406f9dfcccdf2ff7f56654ed65254b61f4543935
font_01_sfnt_off0000a4e7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA4E7 10828 bytes
SHA-256: 4c2561b6ff5edf17bcf15e839dc92b9abc420444578c7f1035678a265f34975b

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