Malicious PDF — malware analysis report

Static analysis result for SHA-256 edc697fc7497c9ee…

MALICIOUS

PDF

51.4 KB Created: 2020-07-29 07:44:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 5ef09526d0a1c2f80f05a76876e81c4a SHA-1: 3fd65a21ffe93c8f9f63c0d0add1bd4f1f9c206a SHA-256: edc697fc7497c9ee8a615de5f931d1edfd9701eed11d613c6caa98bff88108af
194 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, with one identified as a malicious redirector pointing to 'ttraff.com'. Another heuristic indicates a PDF link farm, with the primary URL being 'cdn.shopify.com'. The document body, though heavily obfuscated, contains metadata suggesting it was generated by wkhtmltopdf, a tool often used to create malicious PDFs for SEO-based link farms. The presence of these links suggests an attempt to redirect users to malicious sites for further exploitation or phishing.

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=ecuaciones+del+movimiento+rectilineo+uniforme+wikipedia In PDF document text
    • http://files.art4peace.net/uploads/1/3/2/3/132302871/8095265.pdfIn PDF document text
    • http://files.oldfieldfarmhorseandhome.com/uploads/1/3/1/4/131453588/3342591.pdfIn PDF document text
    • http://files.wlnhelena.com/uploads/1/3/0/8/130814601/c4bbd.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/1/0440/1774/6070/files/tigulelumilewuve.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0134/8255/files/63397190687.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/6555/7671/files/6555160890.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5520/9879/files/rilabowuzuked.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6394/3067/files/79431281249.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0052/9049/files/89906811778.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/63537272249.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0263/4148/files/bufogitutelosumekagonaxok.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8648/6440/files/zadaxezawumasuzolunixodeg.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9535/0684/files/rigapepawezorom.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7709/8910/files/dulapixeni.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00008833.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8833 5356 bytes
SHA-256: 3e95acbff963b55ac2b747ec08ba8d9e4fb243416282c1e1d2e66bd47c430ce4
font_01_sfnt_off00009a63.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9A63 10844 bytes
SHA-256: 5836ef6d631e731586a6a19e2532c0e3a96513d2b9796c1d65218ab20b07a73f

Open this report in the interactive analyzer, or submit your own file for analysis.