Malicious PDF — malware analysis report

Static analysis result for SHA-256 4d6c4ed2abb5f6a2…

MALICIOUS

PDF

41.7 KB Created: 2020-08-21 08:31:04 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: 98b95b73a8d050c59f96d2caa27a42f8 SHA-1: b6b608b830a22670787317bc7ed73c1eda4a488b SHA-256: 4d6c4ed2abb5f6a2ec42cb4d8fc2209f74a9b9a6a82dffbca2365c5d8c6805b4
194 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. Additionally, it exhibits characteristics of a PDF link farm, with numerous external links, many hosted on Shopify. The document body, though heavily obfuscated, contains the URL 'https://ttraff.com/pify?keyword=capesize+market+report', suggesting a lure related to a market report to entice clicks. 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=capesize+market+report In PDF document text
    • http://files.henrikbechseeberg.com/uploads/1/3/1/1/131163578/supaj-rutubiforol.pdfIn PDF document text
    • http://wogoban.organicnaturopathicservices.com/uploads/1/3/0/7/130739278/sifaguguzisax-vewopor-nafunoluluxoxe.pdfIn PDF document text
    • http://pobube.jalbrightclassroom.com/uploads/1/3/1/4/131453194/tezajedegaxika-zixutalid.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/1/0430/4168/5665/files/2608314516.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1451/1001/files/bloqueo_av_grados.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6182/1092/files/76160220225.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/0542/5310/files/jopuvide.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/0500/8293/files/palita.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5886/4028/files/69364876831.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6130/5756/files/11056749240.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/5096/4904/files/87571849246.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9080/4885/files/gadefokukumoko.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7096/3366/files/sumulol.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0600/9255/files/27486352753.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 7

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_off0000649d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x649D 4952 bytes
SHA-256: d436efb14a7e84d07d250bb82426e4427f7fe0b28c1b40c78700269943adf7ff
font_01_sfnt_off00007566.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7566 10436 bytes
SHA-256: dfb8031ade016bf1ec5d4bf8ef290ee46ca775795ff9d78f46d0637758d4ea5b

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