Malicious PDF — malware analysis report

Static analysis result for SHA-256 db1e7a64e0fbb5f1…

MALICIOUS

PDF

40.4 KB Created: 2020-08-23 19:33:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 811dbaf40bec7f40e5d2564a996a7d27 SHA-1: 5a552486806fe7da7925196cd1b43119a8df06c0 SHA-256: db1e7a64e0fbb5f109f652465b9a10069773ec945a9004376891ebe8aa73acfd
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF file contains numerous links, including one pointing to a known malicious redirector at 'ttraff.ru'. The document body, though heavily obfuscated, appears to contain text related to 'After effect kinetic typography template free', suggesting a lure. The presence of a link farm heuristic further indicates an attempt to distribute malicious content or engage in SEO manipulation for malicious purposes. No scripts were extracted from this sample.

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=after+effect+kinetic+typography+template+free In PDF document text
    • http://files.myenchantedlocket.com/uploads/1/3/1/4/131437119/16c22d153a62b5.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/1/0429/1916/6119/files/movexaburonerozuki.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0965/4436/files/86135120927.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2563/6248/files/28883331236.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0447/4827/5863/files/77877365301.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6641/6549/files/45918741323.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6675/2164/files/81382037225.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7301/0840/files/rubibusoruzakogogavavaw.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9097/6673/files/temeluxelulewezotopotuvu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/lunizededalusabunis.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5169/6796/files/navneet_books_online.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8126/0438/files/past_simple_exercises_online.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6914/4230/files/werofimivatafe.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 6

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_off00005f78.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5F78 5404 bytes
SHA-256: a09e49114681c09aa31ce40bd9fd28719501261817d16bb5ab90e080d3b470b1
font_01_sfnt_off000071c0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x71C0 10116 bytes
SHA-256: 4cc566ac37edb7a7d5fe88513b6ea991cd02f058c9b115286bcc77577771d23f

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