Malicious PDF — malware analysis report

Static analysis result for SHA-256 d729dd154637c791…

MALICIOUS

PDF

39.9 KB Created: 2020-08-11 23:35:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 3b9c30ec0d6bb1b5350babbb1dd833bc SHA-1: 48df05b94b2b7791cf5f02a2751e771fc29dfe67 SHA-256: d729dd154637c79137148b6ee54afb6bff95794a3c3c2293769efa30566c4931
194 Risk Score

Malware Insights

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

The PDF contains a heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.com/wb?keyword=halimbawa%20ng%20maikling%20kwentong%20pambata%20pdf'. The document body also contains this URL, suggesting the intent is to lure the user to this malicious site. Additionally, the PDF exhibits characteristics of a link farm, with numerous embedded URLs, many of which are hosted on cdn.shopify.com, potentially for SEO manipulation or to obscure the malicious redirector.

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/wb?keyword=halimbawa%20ng%20maikling%20kwentong%20pambata%20pdf In PDF document text
    • http://files.killeenalphas.com/uploads/1/3/2/7/132740458/469238.pdfIn PDF document text
    • http://files.rbsm.me.uk/uploads/1/3/0/7/130776072/fapomomewa_dagavu_rolixinazusos_ziresono.pdfIn PDF document text
    • http://files.medfieldheightspto.com/uploads/1/3/1/0/131070190/joridesaz.pdfIn PDF document text
    • http://files.temperamentsart.com/uploads/1/3/0/9/130969750/4145509.pdfIn PDF document text
    • http://files.shulman-writer.com/uploads/1/3/0/7/130739970/a80e4c53c4.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/1/0427/8901/1612/files/location_services_android.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8316/0995/files/difference_between_analog_and_ip_cctv_camera.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/52325197595.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/rasamonuje.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7689/4372/files/7763871513.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0067/5995/files/45951849625.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4656/8098/files/56485001345.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/7027/4201/files/6762516143.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1560/2339/files/gizirixusigixi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6077/9413/files/asme_drawing_standards.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000051f3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x51F3 5132 bytes
SHA-256: d00c9c79acb44d75496eae43e23c72393df4f5bc368d41a75ecab83ec40e044a
font_01_sfnt_off00006366.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6366 9648 bytes
SHA-256: 4692fbe357be35e1ab0abbb4ba65961aed0ab85d8bea4f0fd930dbc9464e2518
font_02_sfnt_off00008471.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8471 4324 bytes
SHA-256: 7f6049e5011acf0e8581793f2bc2bb947aac2929fdb77abc318b2a6155c1ef71

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