Malicious PDF — malware analysis report

Static analysis result for SHA-256 5e3f164b1b390eab…

MALICIOUS

PDF

49.3 KB Created: 2020-08-14 17:50:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 735f8276da920b4395ed539029b0988a SHA-1: d53db04c0875d7971f68a97054d8cc06d5738358 SHA-256: 5e3f164b1b390eab6426ed960473b237552bdca6610ed7f6addf390491864f4a
194 Risk Score

Malware Insights

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

The PDF contains multiple embedded links, with a critical heuristic firing for PDF_MALICIOUS_REDIRECTOR_LINK. The primary redirector URL is https://ttraff.com/pify?keyword=functions+in+sqlite+android, which is also present in the document body. This indicates a phishing or scam attempt to redirect users to malicious infrastructure.

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=functions+in+sqlite+android In PDF document text
    • http://files.acuvietnam.com/uploads/1/3/2/6/132680784/1695905.pdfIn PDF document text
    • http://wiwalelo.homemeadconstruction.co.uk/uploads/1/3/1/3/131379706/3795620.pdfIn PDF document text
    • http://files.downtowncrownwinestore.com/uploads/1/3/0/7/130775429/nasotepuzegujewi.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/1/0429/8237/5577/files/nokaxesidoj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7689/4372/files/13528303887.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8206/2753/files/kaxopiki.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/nosisuzamozozi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1470/9663/files/87556042921.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0595/9574/files/gifedetinadas.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/zogubarekerebadopotuleju.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2548/9305/files/75916665539.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/6621/3031/files/nowugefugagi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4320/9895/files/88427375613.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1984/5278/files/jidujetetimuziz.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_off00008040.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8040 5012 bytes
SHA-256: 7d6b7b956beae487e830d5c1ca2ca5b16896516c03785d130b1169dcf859fb97
font_01_sfnt_off00009151.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9151 11432 bytes
SHA-256: 4e3641ce1e51624b92c409389b730c6bd6ebf91fba4aa56b6a8767abcc70b5b5

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