Malicious PDF — malware analysis report

Static analysis result for SHA-256 3835e69855eb9af1…

MALICIOUS

PDF

43.4 KB Created: 2020-08-25 21:06:36 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 8bec686bd9746f59dfab139461e0c27f SHA-1: 6b0d7f9c5d10a492b4867127d59ab4bc5c42ce1e SHA-256: 3835e69855eb9af170578887ccf19c5ffd47bd8e1a252ee61e318892f0ebacf2
254 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell T1566.002 Spearphishing Attachment T1071.001 Web Protocols

The PDF contains a heuristic firing for 'SE_SECRET_RECOVERY_LURE', indicating it requests sensitive information like private keys or backup codes. It also contains a 'PDF_MALICIOUS_REDIRECTOR_LINK' pointing to 'https://ttraff.ru/pify?keyword=adobe+acrobat+add+digital+signature', which is a known malicious redirector. The document body, though heavily obfuscated, contains this URL and other Shopify links, suggesting a phishing or scam attempt to harvest credentials or financial information.

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.
  • Recovery secret / private key request critical SE_SECRET_RECOVERY_LURE
    Document requests recovery phrases, private keys, backup codes, or saved passwords. Requests for these secrets in a document are high-risk.
  • 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.ru/pify?keyword=adobe+acrobat+add+digital+signature In PDF document text
    • http://wusos.ashlynnsboutique.com/uploads/1/3/1/4/131437594/tuganixesifatur.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/1/0429/7680/5018/files/donabipuganijikirujib.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2363/8426/files/vuresaserufezuvibev.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/3865/3086/files/theories_in_sociology_of_education.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/9893/8274/files/fozakijuwixakomof.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7383/1072/files/appsc_group_2_previous_papers_in_telugu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2314/6906/files/14595562304.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/22537170944.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4252/0739/files/sopadavizidonizonaf.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0444/8341/2135/files/5-_3_bisectors_in_triangles_worksheet_answers.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/2206/3515/files/bobby_valention_tell_me.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9143/5422/files/puxopuximafexuvokozumofu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2544/9628/files/65849012963.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9954/4984/files/sugumikakofeziwu.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_off00006d20.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6D20 5236 bytes
SHA-256: e5ce700046cba6d639540958f3f982fe075175e3aae4ba22520c8f99fb6aa80d
font_01_sfnt_off00007ef6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7EF6 9820 bytes
SHA-256: 1f5f9af6f83a9779166ebae17f5d4b661727308d22d24a5f7544ef2ba905a20e

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