Malicious PDF — malware analysis report

Static analysis result for SHA-256 5ee21e37c09c2bb1…

MALICIOUS

PDF

39.0 KB Created: 2020-08-28 01:03:40 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 4d542168c581312347d64661616c0bc4 SHA-1: 2f44d45787b07193e04837f9bcd29161fbfa8151 SHA-256: 5ee21e37c09c2bb18aeb3358cf6c6a6e57a6596b0127352e94c7092ddd2382c7
234 Risk Score

Malware Insights

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

This PDF document contains numerous links, many of which point to a redirector service (ttraff.ru) that is flagged as malicious. The document body, though obfuscated, contains text suggesting a remote-support tool lure, indicating an attempt to trick users into installing or interacting with potentially harmful software. The presence of many links to external PDFs, some benign and some unknown, suggests a link farm or SEO manipulation tactic to distribute malicious content.

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.
  • 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.
  • Remote-support tool lure high SE_REMOTE_SUPPORT_LURE
    Document instructs the user to install, open, or connect with a remote-support tool such as AnyDesk, TeamViewer, Quick Assist, or ScreenConnect — high-risk in an unsolicited document
  • 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=manual+test+de+la+familia In PDF document text
    • http://files.exquisitekreations.com/uploads/1/3/1/6/131607029/9020855.pdfIn PDF document text
    • http://files.sumikoshimada.com/uploads/1/3/2/6/132682989/e2f26fcf505db4.pdfIn PDF document text
    • http://files.ibizawalkingassociation.com/uploads/1/3/0/8/130874118/2978a99274.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/1/0431/1423/4017/files/cagliari_mappa_turistica.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/97503793953.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/1394/6018/files/81827261513.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/1589944702.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/8405/2648/files/80321671267.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6938/2568/files/13044179254.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/3641/6936/files/sac_aspirateur_electrolux_silent_performer_classic.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7812/2649/files/nijuzofesuzonalol.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8564/3420/files/kugujakaro.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5317/1356/files/descargar_abbyy_transformer_pro_3._0_full_espaol.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6343/5679/files/34559687763.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6309/1112/files/52201985258.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1637/1867/files/drager_anaesthesia_machine.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6333/5319/files/2790101186.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_off00005fc3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5FC3 4964 bytes
SHA-256: 823fe5784cd7199dc16dcf56f94fe67a0d3cbf7bbd1051a828ae3c8405b67eef
font_01_sfnt_off0000709b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x709B 9024 bytes
SHA-256: 155b484c572195bee912b89e60309406e052ba55d5a5c45906b0977058fb794f

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