Malicious PDF — malware analysis report

Static analysis result for SHA-256 c14a9bc13fd4eddf…

MALICIOUS

PDF

38.9 KB Created: 2020-08-25 23:31:39 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 58d8d2d83ced7f0c0eaa6a664314d918 SHA-1: 336aabb82f3bf9afeb1a93171b08012805552260 SHA-256: c14a9bc13fd4eddf23043cb8e13242af347838875dd8d902d503e6d30ff8f8a4
194 Risk Score

Malware Insights

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

The PDF contains a link to a known malicious redirector, ttraff.cc, which is likely intended to lead the user to a malicious site. The document body, though heavily obfuscated, contains the same URL and a reference to 'piece of rare unidentified gear', suggesting a lure. The PDF also exhibits characteristics of a link farm, embedding numerous external links, many of which point to Shopify-hosted PDFs, potentially for SEO manipulation or to host further malicious content.

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.cc/pify?keyword=piece+of+rare+unidentified+gear In PDF document text
    • http://files.hatterasarchives.com/uploads/1/3/2/8/132814024/700639a.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/1/0429/8879/8111/files/7101540915.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3095/4655/files/80616838560.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6302/5559/files/youtube._com._activate.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/8279/0552/files/skamper_pop_up_camper_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/9444/9055/files/femtocell_technology_report.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9660/4825/files/pimebivegusuxipoj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8315/9957/files/44960605928.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/3431/8760/files/samsung_galaxy_s7_android_9_custom_rom.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3273/1038/files/90897254815.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6542/5570/files/63196995721.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1070/3010/files/tnt_minecraft_song.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/6958/8135/files/47337899150.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 2

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_off00005b2e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5B2E 4980 bytes
SHA-256: 1afc996c308db76a9f96d137457f90f73a41dc1267aea40c0a52b2f78219c214
font_01_sfnt_off00006c25.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6C25 10156 bytes
SHA-256: 1520abe9b7f80afa19431a3650572a54c106d17b87def72369874894de178398

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