Malicious PDF — malware analysis report

Static analysis result for SHA-256 e81ed654908f7bce…

MALICIOUS

PDF

51.2 KB Created: 2020-08-17 13:39:28 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 2eacd2ec9aa8a342b0849285279a41f0 SHA-1: 097d47c05322dea335f5f0dac3ceed623bd632e9 SHA-256: e81ed654908f7bceb2d90a5f31e3f626713e66922512fc68f787b82a0693add3
194 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. The document body, though heavily obfuscated, contains the same URL and appears to be a lure for a modded application. The PDF also contains a large number of external links, many hosted on Shopify, which is flagged as a link farm. The ML classifier strongly indicates maliciousness.

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=ultimate+ninja+blazing+mod+apk+jp In PDF document text
    • http://files.scotty-elmslie.com/uploads/1/3/0/7/130776503/29e1477389.pdfIn PDF document text
    • http://files.rascalmartinez.com/uploads/1/3/0/7/130776826/373f29251619ace.pdfIn PDF document text
    • http://sejekoxe.ecoustic.dk/uploads/1/3/2/6/132681504/vawelabige_kuxazek_zebotomuvixu.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/1/0437/7886/7351/files/83226400541.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0441/0304/1176/files/absorption_costing_meaning.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/8022/9791/files/neguzuwaz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5936/3488/files/sopifisut.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6995/4456/files/38480601699.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8094/9659/files/67747396808.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/8360/4903/files/vegosagetawex.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2990/5058/files/94376581302.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7003/7924/files/mapa_mundi_paises_e_capitais.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0636/9703/files/18665484736.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2739/7797/files/basic_electronics_and_communication_engineering_questions_and_answers.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5883/0231/files/la_arquitectura_del_academicismo_en_mexico.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Related samples 8

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_off00006e53.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6E53 5328 bytes
SHA-256: 613a5dd58ce5fb0057dba6a3ad2a178bea52b164ff2ce49ab22bdb9dcbf233f8
font_01_sfnt_off00008061.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8061 12016 bytes
SHA-256: 3301cd2b51e2219da2bde67c58e9fb4f98f27585b83062415cc629ea5b893836
font_02_sfnt_off0000a8b2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA8B2 16248 bytes
SHA-256: 9e020c854edd9d16e76d4d276d806d6ad9537766fc0f49e31c6b0dee74960295

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