Malicious PDF — malware analysis report

Static analysis result for SHA-256 5fc41d07cd932e3a…

MALICIOUS

PDF

49.2 KB Created: 2020-08-03 11:38:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: f14f510f8220fc7b2cf15127774173c0 SHA-1: e93b93f33dc77e076d857da781e4c8149b1292e1 SHA-256: 5fc41d07cd932e3a37689c2324ec8bc6559eb5411292441f4c4a9361a077e6ae
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains numerous links to external resources, many of which are hosted on Shopify and appear to be part of an SEO link farm. The primary redirector URL, https://ttraff.com/pify?keyword=understanding+how+to+fight+the+good+fight+of+faith+pdf, is flagged as malicious. This suggests the document's purpose is to redirect users to potentially harmful content through a deceptive link farm.

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=understanding+how+to+fight+the+good+fight+of+faith+pdf In PDF document text
    • http://files.yecsonline.org/uploads/1/3/1/6/131637606/javaxaxojibunodub.pdfIn PDF document text
    • http://files.dartendistrict.com/uploads/1/3/1/8/131856381/jarukid.pdfIn PDF document text
    • http://files.gaventrinidadtheatre.com/uploads/1/3/1/4/131406365/7107289.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/ruwofejimu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/3767/0041/files/libew.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/0123/4076/files/xesefameviris.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4953/4111/files/supofozavu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/1355/1781/files/jokirusorilatudemowoxo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7405/9424/files/xokatelilow.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9649/0663/files/lanujumopexikuxapo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8245/7000/files/wokazonevofupuraxijoxijuz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4734/5573/files/73845441688.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/rewosegukedisupagur.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/57896919986.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/fuwakuda.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007269.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7269 5140 bytes
SHA-256: 579aa40e47da61227fd0e0fc9e964c1bd4683a3d89946289b3df5bfc21e715e5
font_01_sfnt_off000083ea.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x83EA 10912 bytes
SHA-256: 8d1909ba1e59af80ac78af377af1bb7d46e345d8b7965dbf650d030cafa526a1
font_02_sfnt_off0000a8ba.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA8BA 4324 bytes
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34