Malicious PDF — malware analysis report

Static analysis result for SHA-256 f607e7b6e968d1d3…

MALICIOUS

PDF

42.5 KB Created: 2020-08-06 12:32:59 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 7c2773934a578276328ae3f5b8a9e7eb SHA-1: ec45fa347d3c25d741caa0bb8f03fb904142b706 SHA-256: f607e7b6e968d1d307f28fb666356e7ed05da717dbc1cfc35cece6d2cb4602e6
194 Risk Score

Malware Insights

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

The PDF file contains multiple embedded links, with one specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, contains the same malicious URL. The presence of a link farm heuristic further suggests an attempt to lure users to malicious infrastructure, likely for phishing or malware distribution.

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=administrasi+tes+ist+pdf In PDF document text
    • http://files.andyknappmusic.com/uploads/1/3/1/4/131453682/f70a261938f9.pdfIn PDF document text
    • http://files.nooneyart.com/uploads/1/3/0/7/130776657/dukipubokup.pdfIn PDF document text
    • http://funewavuz.kimberlyfogarty.com/uploads/1/3/0/7/130738799/jejulelisikaxefedav.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/1/0451/4558/7877/files/bruker_nmr_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9862/8501/files/xubafobejoxuz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5549/6866/files/banking_service_chronicle_monthly_magazine_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6223/0181/files/dfinition_de_la_gestion_de_la_relation_client.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9418/7933/files/40936464306.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7201/1931/files/87680775848.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/7079/0558/files/springfield_model_187_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5327/7589/files/pete_s_dragon_book_pdf.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9157/4430/files/83313963656.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9694/8382/files/16636469536.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7883/4583/files/rekexebexosasexaget.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/7138/0383/files/jojudum.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_off000062d5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x62D5 5144 bytes
SHA-256: c6b9b55868fb982c1ed43b5ead883b8a5fe9e9cfcf44387a0ed2f3b14355f2a6
font_01_sfnt_off0000743f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x743F 12608 bytes
SHA-256: 3dda4a5b2b4df5d717ab03018615ced89bcc7ac95ac8d5987b3666eba53b7407

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