Malicious PDF — malware analysis report

Static analysis result for SHA-256 36f8ba930937fa8e…

MALICIOUS

PDF

38.4 KB Created: 2020-08-22 16:59:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 746378f9bef4a668442ff025b84f4a14 SHA-1: 1238a6a2efcdfd21e80f99390cc00fb5ab595f78 SHA-256: 36f8ba930937fa8ed9d4e597f4d5e664d56f449e1385353deb2641c120880d51
194 Risk Score

Malware Insights

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

The PDF contains a heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.com/pify?keyword=agricultural+research+pdf'. It also exhibits characteristics of a PDF link farm, with numerous embedded URLs, many hosted on Shopify. The document body, though heavily obfuscated, contains the same redirector URL and appears to be a lure related to 'agricultural research'. The primary intent is to redirect the user to malicious infrastructure.

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=agricultural+research+pdf In PDF document text
    • http://files.stephen-acabado.com/uploads/1/3/0/9/130969241/bimezu_bemunepoxena_mizira.pdfIn PDF document text
    • http://rodura.1carter.net/uploads/1/3/0/9/130969465/e683ebe68f.pdfIn PDF document text
    • http://files.cvubaseball.com/uploads/1/3/1/3/131380687/3508699.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/1/0434/0337/8839/files/rejoxituxikogezulebavewiv.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8778/2297/files/8975915556.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0018/4477/files/drivers_brother_dcp-_t500w.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8060/6111/files/centrifugal_pump_design_book.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7152/7330/files/pizegisazuzukavebukopi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/9440/8357/files/41900411308.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6678/5949/files/dusaxipotofod.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/1833/6925/files/adventure_of_a_lifetime_hd_video.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/5663/6828/files/kerufev.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 5

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_off00004c2a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4C2A 5072 bytes
SHA-256: 41e900b23f9e9e8d2d7573c46809ac996f897aacb04ee9f6c39e903b634113a9
font_01_sfnt_off00005d7f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5D7F 9868 bytes
SHA-256: 07353eb1a3a3c51ea9d132bb96371e2033f56887cdfbd54e141369dd21da2e14
font_02_sfnt_off00007f40.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7F40 4324 bytes
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378

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