Malicious PDF — malware analysis report

Static analysis result for SHA-256 7d74db2efd619905…

MALICIOUS

PDF

37.6 KB Created: 2020-08-15 05:54:28 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 7e232f6588d53bff4fed4915b8a7773e SHA-1: e66344b78bb99dbafb966112b058b1028a503bfb SHA-256: 7d74db2efd6199055f4dae77803bcee49fb3e90a0c1d7356465e26a1869dc16f
234 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains numerous links, many pointing to redirectors and SEO farms, designed to trick users into downloading software. The presence of a TeamViewer crack lure and links to malicious redirectors strongly suggests a phishing or scam attempt. The ML classifier also flagged this PDF with high confidence.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • 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.
  • Remote-support tool lure high SE_REMOTE_SUPPORT_LURE
    Document instructs the user to install, open, or connect with a remote-support tool such as AnyDesk, TeamViewer, Quick Assist, or ScreenConnect — high-risk in an unsolicited document
  • 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.ru/pify?keyword=teamviewer+7+crack In PDF document text
    • http://files.flippingcoinsgetaway.com/uploads/1/3/2/6/132682758/6579300.pdfIn PDF document text
    • http://zodirijuj.rabbitrailsupply.com/uploads/1/3/1/4/131412032/1e3bb22485.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/1/0432/6473/7433/files/37503758492.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/3848/1320/files/62201741140.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7327/2998/files/surivubat.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1423/4013/files/honda_motorcycle_service_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/8714/3839/files/bexuwufut.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0448/3465/2321/files/eating_disorder_powerpoint_template_free.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0507/4838/files/sesofevasavufaxaderibilid.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0358/4413/files/1486483757.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6498/2693/files/povefezeladireb.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/91337380597.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0447/1272/2585/files/76212087678.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9201/7305/files/rumulimakurekitoviru.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3529/5905/files/sonumakewozipavebeted.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 2

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_off0000565d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x565D 4980 bytes
SHA-256: 1bc4457be206da59afcdb94f45569ce2c251f22e44415541e5c3fe53d06ae39e
font_01_sfnt_off00006759.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6759 10040 bytes
SHA-256: bc0eeacc8c77d5dfdc4c864768936649bad0d7d3c639308319b9c618c86c60b0

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