Malicious PDF — malware analysis report

Static analysis result for SHA-256 0ddde533958cd53e…

MALICIOUS

PDF

39.3 KB Created: 2020-08-09 05:50:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: e8a29e63f6138028f3e7244cd3711cb0 SHA-1: 0944e2af61e7c6d06d0135edfd9f777ab6dce1f4 SHA-256: 0ddde533958cd53e5bf88e0d63cb4a3fb2e3b75ed85d6f16fcd798cf926ac8eb
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file contains numerous links, many of which point to a redirector service known for malicious activity. The primary redirector URL, 'https://ttraff.ru/pify?keyword=appositive+phrase+pdf', is designed to lead users to potentially harmful content, likely a phishing or scam page. The presence of a large number of external PDF links suggests a link farm or SEO manipulation tactic to distribute malicious content.

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=appositive+phrase+pdf In PDF document text
    • http://files.myworklifeharmony.com/uploads/1/3/0/7/130775659/fifonekemeragit-mebitubigifunap.pdfIn PDF document text
    • http://files.nataliemariaclark.com/uploads/1/3/0/7/130776149/4394719.pdfIn PDF document text
    • http://files.kelleyintegrity.com/uploads/1/3/0/9/130970003/84a094c03d979a9.pdfIn PDF document text
    • http://wekijewaw.swisswildlifeartist.com/uploads/1/3/1/4/131483281/533e7.pdfIn PDF document text
    • http://files.reputationthompson.com/uploads/1/3/0/8/130874474/7416674.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/1/0434/0944/0924/files/vedic_palmistry.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6976/6821/files/pidefozajadi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0315/0499/files/74524980263.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/6295/9006/files/sojabemagijadubobagakilid.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4669/0203/files/98808256241.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0864/7580/files/71956120454.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/6820/9817/files/list_of_english_synonyms_and_antonyms.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9693/2501/files/3513157410.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/9596/4328/files/vuvanosenuxonomop.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8351/3499/files/pozibazunujazosewiziw.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4994/3202/files/48034935441.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5838/0446/files/42582456537.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_off00005cd1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5CD1 5148 bytes
SHA-256: 8a0aeb6cbb3caf6964a13c5789b864b42aa83060fc78fa1b7c9c488f25d29960
font_01_sfnt_off00006e56.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6E56 10088 bytes
SHA-256: bd7718b0c946f6f5b97bc22aae3a01bec82881fd33338b8c36559ea3c45cc95c

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