Malicious PDF — malware analysis report

Static analysis result for SHA-256 13ed4963732ed924…

MALICIOUS

PDF

42.4 KB Created: 2020-08-16 19:57:45 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: eee7a6b61b4c699a64fabea1bf312210 SHA-1: f4fd721f1035ec5879d016a4cd622279e5c0131a SHA-256: 13ed4963732ed92440e3beba505e5467ca831dbb09cbc21ca10efd04021dc813
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains numerous embedded links, many of which point to redirector infrastructure. The primary malicious URL identified is https://ttraff.com/pify?keyword=brahmanand+bhajan+pdf, which is used in conjunction with a lure suggesting the document contains a 'Brahmanand bhajan pdf'. This indicates a phishing or scam attempt designed to redirect users to malicious content. The ML classifier also strongly flagged this PDF as malicious.

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=brahmanand+bhajan+pdf In PDF document text
    • http://files.talentztickets.com/uploads/1/3/2/6/132681928/xejivid.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/1/0428/9835/8432/files/vawis.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1725/6603/files/vesogenotukelaso.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0011/8943/files/sexual_and_asexual_reproduction_in_animals.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/6784/1443/files/download_al_quran_dan_terjemahan_indonesia.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2491/6388/files/71195892565.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6694/9786/files/lizavemelowukuges.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6873/5140/files/circuite_integrate_analogice.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5214/6587/files/merriam_webster_learner_s_dictionary.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6200/9755/files/mimamojisen.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6827/6384/files/bsmrstu_circular_2020_20.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/3292/6616/files/ma_car_bill_of_sale.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1488/0405/files/98277228865.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000692c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x692C 5336 bytes
SHA-256: 0fef959d6844ab0274107bffdcebf8434b0d7aa8085da5a5dbf217c5d3f19643
font_01_sfnt_off00007b32.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7B32 10024 bytes
SHA-256: 56124e5390e6ce38b3c3b632c4b09199183dd62d04ddd529af8460d37dc2b080

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