Malicious PDF — malware analysis report

Static analysis result for SHA-256 4e13fd95f3368b07…

MALICIOUS

PDF

43.2 KB Created: 2020-08-11 19:11:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: b31fd28ef635b138af7e4774018d6fe8 SHA-1: 14c0d6acde82d13d7d457b2e918b1104d15b7e59 SHA-256: 4e13fd95f3368b070746e9165b76a299ea38bc918aab4cf22c2aac04f9b52ff8
202 Risk Score

Malware Insights

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

The PDF contains a malicious redirector link and a large number of external links, suggesting a link farm or SEO poisoning attempt. The document body also contains a call-to-action phrase, indicating a lure to click the embedded malicious URL. The primary malicious URL is https://ttraff.com/wb?keyword=pdf%20word%20copy%20paste%20formatting, which is likely used to redirect the user to a malicious site or download further malware.

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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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/wb?keyword=pdf%20word%20copy%20paste%20formatting In PDF document text
    • http://files.johnrobinsonart.com/uploads/1/3/1/3/131380625/bodomoregi-powewoxawotob-befedafepubuga.pdfIn PDF document text
    • http://files.theleastoftheseministry.org/uploads/1/3/1/1/131164097/48e813c16491.pdfIn PDF document text
    • http://files.fitflexyfolk.com/uploads/1/3/0/9/130969310/voxufapokafomesi.pdfIn PDF document text
    • http://files.artistrybypeggy.com/uploads/1/3/2/6/132695242/9208573.pdfIn PDF document text
    • http://files.newlifeinthebronxchurch.org/uploads/1/3/0/7/130739204/fojoz-jupimuwolapas-gozowirajaboraj.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/1/0431/2258/9853/files/4834624943.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2775/1321/files/12444818110.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/87967576867.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3124/8542/files/45824943669.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/37237973095.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/0243/6518/files/pupavajezelu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/99237037604.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0971/2023/files/lolitizepipud.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7994/9733/files/sapulibel.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4814/0949/files/rekewatewalatoximajupopab.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7881/1797/files/24706794067.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 7

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_off000068df.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x68DF 5636 bytes
SHA-256: 2513309dc3e4dd32cfa1319b19c43ba8852096d4d75ec483e226ab82b627bf47
font_01_sfnt_off00007c10.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7C10 10520 bytes
SHA-256: 5ecd42871068486b9e378b6f249c64170b45eddfd9180e5a0e2386b4e6e8fd6f

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