Malicious PDF — malware analysis report

Static analysis result for SHA-256 89d040173a0df538…

MALICIOUS

PDF

34.4 KB Created: 2020-08-15 06:16:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: fe784eaf97def3502224cfd109ffc9a9 SHA-1: d9de24a2d27fbb880147ad2ed49e8a67c256f6ff SHA-256: 89d040173a0df538c496868af8a6aef3d5b56d45198b19c6ab15359564ae95f6
194 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many of which point to Shopify domains hosting PDF files, suggesting a link farm or SEO poisoning tactic. One critical heuristic identified a link to a known malicious redirector, ttraff.cc, which is presented in the document body as a keyword search for 'fmea template xlsx'. This indicates a social engineering attempt to lure users to malicious infrastructure. No scripts were extracted from this sample.

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.cc/pify?keyword=fmea+template+xlsx In PDF document text
    • http://files.insituvision.com/uploads/1/3/1/4/131437671/nimod_feragitufu.pdfIn PDF document text
    • http://jizuno.timothyprice.net/uploads/1/3/1/3/131380429/xudenobisot_wuribut_vagesomujugo.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/1/0435/0348/5092/files/alphabet_games.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0448/0453/8528/files/resake.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8858/4605/files/28016442661.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8009/7687/files/toby_keith_who_s_your_daddy.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0516/5216/files/woxejidoratitulapa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8148/9818/files/44334155776.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/5019/5354/files/rewes.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6031/3768/files/nolewigamexe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/2703/6322/files/2003_ford_explorer_repair_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8810/1030/files/duvajowoweworeto.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6383/6834/files/complete_book_of_demonolatry.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 4

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_off00004a99.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4A99 4892 bytes
SHA-256: c62bc50e9e373dae43a4acdac97f08d2c1bfaf8b9599eb4eb07e49de576edb53
font_01_sfnt_off00005b32.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5B32 9992 bytes
SHA-256: 1a2bb07228249c1299cd69513b5f1ff0c9eba4f277799db78bc809f7bdef3394

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