Malicious PDF — malware analysis report

Static analysis result for SHA-256 a3ce323ad665386d…

MALICIOUS

PDF

50.3 KB Created: 2020-08-12 17:34:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 4cc6561f77b0d6b780d9e87edbe47c25 SHA-1: 9a114378576a87a0169c89c201728e7f98e6e8f4 SHA-256: a3ce323ad665386d1651ee45774352b8b97c7886bedd456cda4c5a1add75b1e0
194 Risk Score

Malware Insights

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

The PDF contains a mass external link farm, with a primary malicious redirector URL identified as https://ttraff.com/pify?keyword=islamic+criminal+justice+system+pdf. This indicates a phishing or social engineering attempt to redirect the user to malicious infrastructure. The document body itself is heavily obfuscated and contains metadata suggesting it was generated by wkhtmltopdf.

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=islamic+criminal+justice+system+pdf In PDF document text
    • http://jedajil.gourdsamore.com/uploads/1/3/0/9/130968996/ruzopiboxeb.pdfIn PDF document text
    • http://files.artandsoulholton.com/uploads/1/3/0/8/130874325/ranak.pdfIn PDF document text
    • http://tunubava.fitnessforyou.co/uploads/1/3/1/0/131070487/rujujajosulore.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/1/0433/9014/0581/files/47351046183.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6971/8182/files/nufike.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/4836/8288/files/80274372688.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7945/1289/files/puvigelunat.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1991/0811/files/dabibesiwetekosa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1017/0786/files/bokixutemafavodikumisob.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2885/7503/files/zixozesoliwama.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5769/3347/files/30749212856.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0890/9734/files/jafezirupiwo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7426/4996/files/41014328295.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/19463184481.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://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Related samples 3

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_005_off0000a2f5.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0xA2F5 17184 bytes
SHA-256: b973c6454f092bfa1f1b275c93caceb6801bb5cdfa6a577f32628dc629adcceb
font_00_sfnt_off00006a49.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6A49 5416 bytes
SHA-256: d686074478d0c2d2773cbf5494f9f09c5822fce5e3b2a0afd255fddd6edd63ff
font_01_sfnt_off00007c9e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7C9E 11980 bytes
SHA-256: 1ebe6df671b2be3c04e03373087d1f7b79e75b8df40289d49ec2f599aa3ba816

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