Malicious PDF — malware analysis report

Static analysis result for SHA-256 e3a4be760eee5b46…

MALICIOUS

PDF

36.0 KB Created: 2020-08-09 11:38:41 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 50dd8486a9301d3f9ceff7b8b00d3b36 SHA-1: a9cafbe900aa7bb28c4c927de76aeb0e16f85cf7 SHA-256: e3a4be760eee5b4684d0085edb2ddef97424148037dc6d4bc6f3ddc6e31b7ea6
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1200 Hardware Add-in T1059.001 PowerShell

The PDF file contains a heuristic firing for PDF_MALICIOUS_REDIRECTOR_LINK, indicating it points to malicious infrastructure. Additionally, PDF_SEO_LINK_FARM suggests a large number of outbound links, likely for SEO manipulation or to obscure the malicious destination. The embedded URL `https://ttraff.com/pify?keyword=employment+law+in+zambia+cases+and+materials+pdf` is the primary indicator of malicious intent, likely serving as a lure to a phishing or malware distribution site.

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=employment+law+in+zambia+cases+and+materials+pdf In PDF document text
    • http://files.freshrescue.com/uploads/1/3/0/8/130813781/muleza.pdfIn PDF document text
    • http://files.artworkbydar.com/uploads/1/3/1/3/131384249/0ace7f4f90c254a.pdfIn PDF document text
    • http://voxokawuv.just-us-justice.com/uploads/1/3/0/7/130775934/9393508.pdfIn PDF document text
    • http://xisategun.4tvirtualcon.com/uploads/1/3/1/3/131380600/mawodanazunubalax.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/1/0433/0687/7080/files/vuwunojipodaga.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5794/6522/files/fisicoquimica_atkins_6ta_edicion.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8570/8953/files/29817088495.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8323/5489/files/jarasitenuxifoveg.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9005/9176/files/wamajonikivirolitowibi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9268/0611/files/59356037022.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0212/5733/files/bubakariren.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3041/2437/files/rowolutisaj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/4469/2383/files/80337244486.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/1347/9320/files/gazawe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1153/8072/files/wabafogogawizax.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_off00004d40.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4D40 5640 bytes
SHA-256: a7bae765332a28aed0508f012534a09106a160ebc5bbd3a826382506aaf970a2
font_01_sfnt_off00006073.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6073 10176 bytes
SHA-256: b26f3ec387fc2301356b89e776969e8e0b48ece6c4054b15daea179dfda72f5e

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