Malicious PDF — malware analysis report

Static analysis result for SHA-256 015fab7bf67a612e…

MALICIOUS

PDF

37.3 KB Created: 2020-08-11 22:26:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: c3d354306999d7be9272902a07f50665 SHA-1: 26b4d29684874aeb1f0b29848b168c7a755618d7 SHA-256: 015fab7bf67a612e3cfb572b1ec5d6d1a3edafa3589a86cb607a427964fe2bf4
194 Risk Score

Malware Insights

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

The PDF contains embedded links that redirect to malicious infrastructure, specifically identified as a redirector for SEO-based phishing. The document body, though obfuscated, contains text suggesting a lure related to a 'calendrier 2020 semaine pdf'. The presence of numerous PDF links, many pointing to benign Shopify URLs but some to unknown or potentially malicious domains, indicates a link farm designed to distribute malicious content. The ML classifier strongly flagged this PDF as malicious.

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=calendrier+2020+semaine+pdf In PDF document text
    • http://files.thecovenantschristandyou.com/uploads/1/3/1/3/131379434/94345039.pdfIn PDF document text
    • http://tibebegos.geriatricpsychiatryresearch.org/uploads/1/3/2/6/132681556/mazer.pdfIn PDF document text
    • http://loxakuvu.rogger.net/uploads/1/3/1/6/131606490/e416420c3061a2f.pdfIn PDF document text
    • http://files.villasundream.com/uploads/1/3/1/6/131636903/6660804.pdfIn PDF document text
    • http://files.sfwarevents.org/uploads/1/3/2/6/132681946/fitipavebunu-rotusuzedo-vugug-puliropokit.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/1/0428/9835/8432/files/rixaraxamixenapo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8615/9767/files/nomon.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7441/2949/files/25308404446.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4479/8613/files/sixid.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/7400/1825/files/96503302273.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/4291/2926/files/44846156025.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7176/6677/files/dufuxubadafigiribemija.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0892/5602/files/34626693246.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/7959/6187/files/periodic_table_of_elements_with_atomic_mass_and_valency.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_off00005100.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5100 5364 bytes
SHA-256: 29d86c64fa026427e7bb1c75e0f97479b73c5e4ea0409a4381126068461bdf07
font_01_sfnt_off00006322.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6322 11372 bytes
SHA-256: 4d642bb85e9455e2ed21909f1f52644b92d6d4a669b96e8d99c8d9aae5700683

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