Malicious PDF — malware analysis report

Static analysis result for SHA-256 10f94de7e79f48a1…

MALICIOUS

PDF

41.6 KB Created: 2020-08-12 10:16:45 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 9853a7bb6abe4328b874feb72de8c79e SHA-1: 5341de07b1605d68ff313710722e6bba5b1f969f SHA-256: 10f94de7e79f48a1fa6cb76b62300ff4062ab037521a63bc2d65ed3d016778b9
194 Risk Score

Malware Insights

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

The PDF contains a link farm with 16 external PDF links, many of which point to a redirector infrastructure. The primary redirector URL is https://ttraff.cc/pify?keyword=the+biographical+dictionary+of+film+pdf, which is designed to lead users to download other PDFs. This suggests a phishing or scam campaign aiming to distribute malicious content or gather information through deceptive links.

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=the+biographical+dictionary+of+film+pdf In PDF document text
    • http://mexiv.mcgraththerapy.com/uploads/1/3/1/3/131384709/1013961.pdfIn PDF document text
    • http://files.insulators41.com/uploads/1/3/0/7/130740166/747528d.pdfIn PDF document text
    • http://files.stonemountain-capital.net/uploads/1/3/1/3/131383943/sebixixuvukef.pdfIn PDF document text
    • http://xagedo.acorridor.com.au/uploads/1/3/0/8/130874493/0aa96.pdfIn PDF document text
    • http://files.amyplanttherapy.com/uploads/1/3/1/4/131438389/d557215df6d53a.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/1/0432/1830/5179/files/18802884759.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/6126/3001/files/mac_restart_ssh.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/9202/6271/files/abbyy_transformer_12_serial_chomikuj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/5443/8302/files/55693898732.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2358/0835/files/83931184961.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8068/7520/files/90172499426.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8942/0695/files/welevizanasenunadegufo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4678/0566/files/coolmathgames_console_hacks.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8695/4139/files/68276873842.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/6633/6167/files/ramulakuxoru.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7704/2337/files/bavojatafivomawuvunej.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_off000063eb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x63EB 5584 bytes
SHA-256: 7f59321c26bfb33df93dd3cbf9b5526a00ac1aaec7edd6f26269873818e6fbd5
font_01_sfnt_off000076bd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x76BD 10200 bytes
SHA-256: 61a685e1211ba6ffa8a85c3c30a2e2d5d5e71d744534e36888c10ee1dfc8a957

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