Malicious PDF — malware analysis report

Static analysis result for SHA-256 3f140f9dc60d28e6…

MALICIOUS

PDF

44.6 KB Created: 2020-08-21 01:55:20 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: eb732d090fa2c641ca260766e331a80d SHA-1: 1fdb1a0f898f4b458a3f5bd2383bfe78eb266856 SHA-256: 3f140f9dc60d28e6df28ecf0b00bbfd5030cb64925decd5a2c8e8f60263da197
194 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many pointing to shopify.com, but one critical link to 'ttraff.com' is flagged as a malicious redirector. The ML classifier strongly indicates maliciousness. The presence of a link farm suggests an attempt to manipulate search engine results or redirect users to malicious content, potentially for SEO poisoning 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=iaea+iran+reports In PDF document text
    • http://paduno.bhseducationfoundation.com/uploads/1/3/1/0/131070571/wifowevuvuzasiv_kelizetekax_sidugo_ripow.pdfIn PDF document text
    • http://files.propertopper.com/uploads/1/3/1/4/131438843/sevefololobupoj_zikijaxijubux_pisur_fipeked.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/1/0434/8307/0629/files/adzan_padang_pasir.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7351/9272/files/97255389293.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0880/2466/files/21627101840.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0448/1312/3744/files/landscape_photography_settings.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5470/1463/files/72523103028.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0450/2565/6996/files/report_littering_singapore.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/9786/3832/files/digewadejinaka.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/71409998288.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0476/4068/files/83941066401.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/6146/1670/files/5210756879.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4976/3487/files/bomewekile.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3309/9430/files/86266087009.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 3

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_off00006b20.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6B20 4720 bytes
SHA-256: d9b60a7f9530e80628175c5dd3344dccf38705b1a36802df591bbff9b8d3ec5b
font_01_sfnt_off00007b2f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7B2F 13948 bytes
SHA-256: b26f8669a40f97a501b77a8b85d8e03fb00ee63af9de7206e108626905227f20

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