Malicious PDF — malware analysis report

Static analysis result for SHA-256 e04dc6da9b2f589b…

MALICIOUS

PDF

47.0 KB Created: 2020-08-06 11:34:51 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: adfc2656a782c0faa5a7fb0539879782 SHA-1: e5d9a10e2adcfcb0b83b587005bcce036abe2773 SHA-256: e04dc6da9b2f589b3f2ccbce000b39662496cb6562490276d27555c3ad3fa0c0
194 Risk Score

Malware Insights

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

The PDF contains a link farm designed to appear as a legal judgment, redirecting to malicious infrastructure at ttraff.ru. The ML classifier strongly indicates maliciousness, and the PDF structure is consistent with SEO-based link farms used for phishing or malware distribution. No scripts were extracted, but the primary attack vector is the embedded malicious redirector link.

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.ru/pify?keyword=aarushi+talwar+judgement+pdf In PDF document text
    • http://gajan.rockvillehelp.org/uploads/1/3/1/4/131454024/lekofepubenotelexa.pdfIn PDF document text
    • http://files.codergals.org/uploads/1/3/1/3/131383314/a4e91c.pdfIn PDF document text
    • http://files.rlighthouse.com/uploads/1/3/1/3/131379174/remidakoluwavam-vufiw.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/1/0431/8186/7176/files/molikota.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4681/4374/files/dream_maker_spas_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3077/2901/files/50408321960.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/83406059157.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8362/0757/files/koruzavunukukuliw.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8095/8617/files/carrom_rules_and_regulations.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2378/5370/files/30118850550.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6576/1176/files/pabifubugos.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2352/4259/files/76884880856.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6554/0759/files/77067365666.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 1

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_off000079eb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x79EB 5612 bytes
SHA-256: 1e339a3e9311d582e4ef821547b2357e9846f06ac34cd7c2515f21c7697e2f85
font_01_sfnt_off00008cf4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8CF4 10104 bytes
SHA-256: d9b6c10504cd79c63386263cf229bdd4f3261ca651f5bc2a39e65130828dcb1e

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