Malicious PDF — malware analysis report

Static analysis result for SHA-256 5fd4dc7f2f8062d7…

MALICIOUS

PDF

43.8 KB Created: 2020-08-25 15:29:34 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: c0aa60488ca5d08537adf1cc5e2b0220 SHA-1: 6da5da5245f65ac5ced92b08dcc3c6655eafd9f9 SHA-256: 5fd4dc7f2f8062d7522fb450b91eaf700597c956d0f8706251465997ee735103
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple embedded links, with a critical heuristic firing for a malicious redirector. The primary redirector URL is https://ttraff.cc/pify?keyword=ambassadors+of+christ+kwetu+pazuri+song, which is likely used to obscure the final malicious destination. The document body and heuristics suggest a phishing lure, masquerading as a policy document to trick users into clicking the malicious link.

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.cc/pify?keyword=ambassadors+of+christ+kwetu+pazuri+song In PDF document text
    • http://gosaj.tranquilkneadz.com/uploads/1/3/1/4/131453215/7812410.pdfIn PDF document text
    • http://bugog.culinaryrogue.com/uploads/1/3/1/4/131453501/2998717.pdfIn PDF document text
    • http://files.queencityfrenchies.com/uploads/1/3/2/7/132740564/7568001.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/1/0463/3044/5981/files/bullying_and_harassment_policy_template_bc.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2084/5210/files/metformina_500_mg_precio_benavides.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9353/2573/files/tafelu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8702/0703/files/1393306467.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0580/4698/files/vocabulaire_des_animaux_en_franais.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/6971/9196/files/wilawiba.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/9782/6207/files/48872050711.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6587/6379/files/81528668836.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7805/0201/files/gitonodovetazo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/0765/3526/files/kiwemenuroxifazipasoxo.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 2

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_off000055b7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x55B7 5752 bytes
SHA-256: 81669b0896622fc6a10a30125142162c6f55c0fadf50891aecad7904180ccb96
font_01_sfnt_off00006937.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6937 12904 bytes
SHA-256: e75761f528c5e7c22c17aadfcc60eda0dcff8455e350f9c210ef5f3a90d56465
font_02_sfnt_off00009243.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9243 4324 bytes
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c

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