Malicious PDF — malware analysis report

Static analysis result for SHA-256 a76ee8e029e36784…

MALICIOUS

PDF

48.8 KB Created: 2020-08-07 18:45:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 2ed6a529d8a31002cb9d1e16cf25bb8e SHA-1: 60e0f45fc2f11a98be7080c79d67a62b41f1be05 SHA-256: a76ee8e029e36784f24e9d570a4b28611618e8746bf49cf07f1ff5ac33772f0a
194 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'https://ttraff.com/pify?keyword=putnam+mind+language+and+reality+pdf'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded URLs, many hosted on Shopify. The ML classifier also strongly flagged this PDF as malicious. The document body, though heavily obfuscated, contains the primary malicious URL and several other PDF links, suggesting a lure to download further malicious content or engage in phishing.

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=putnam+mind+language+and+reality+pdf In PDF document text
    • http://files.oace.co/uploads/1/3/1/3/131381781/parotakime.pdfIn PDF document text
    • http://files.cowboychrisbbq.com/uploads/1/3/2/6/132695582/2c515d.pdfIn PDF document text
    • http://files.fourthcoastensemble.com/uploads/1/3/0/8/130874122/fc5e2e575.pdfIn PDF document text
    • http://files.katoutofbag.com/uploads/1/3/0/7/130738794/bee1e4bed8753.pdfIn PDF document text
    • http://fizewaf.weststanlybaptistchurch.com/uploads/1/3/2/6/132696323/xekor_xusofej_kebawaluza_vuputerumonek.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/1/0433/0687/7080/files/27622062760.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/7468/0987/files/neponugugigumajuzalifejof.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7441/2949/files/16199548371.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6619/5106/files/21560409522.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/0791/6707/files/vinogujaxivajidojerak.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2630/0575/files/tivobadejalofo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/1610/8707/files/50079240468.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3108/4708/files/dijemenezusibefu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2739/0887/files/bernoulli_equation_maths.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/lejozusuxawunulimedobina.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006bce.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6BCE 5284 bytes
SHA-256: bb89309c39db7aa77dd93ecf420cca178ae6ad9e717d55056bb20737dc1adcab
font_01_sfnt_off00007dbd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7DBD 10404 bytes
SHA-256: fb6a7cf47289ce374c70506e7c4f7d4f0dc6bfb7a31895cd623feb814da2aba6
font_02_sfnt_off0000a153.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA153 16112 bytes
SHA-256: 23e5e0a6ad5360bf10628433507e5aab34c42d7d900ccb2a5214949f2168b422

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