Malicious PDF — malware analysis report

Static analysis result for SHA-256 184ad5856a2c9dfc…

MALICIOUS

PDF

36.4 KB Created: 2020-08-01 14:23:04 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 6cd3bc8eb9fe0cd33cd396faa1c7efa4 SHA-1: 79483b1cde3a25a5f9628bd72e4c0e9ce5128ed4 SHA-256: 184ad5856a2c9dfc4bded06c1eb7798902053c3fe97407e6c58db94ce1ca9221
194 Risk Score

Malware Insights

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

This PDF file contains numerous links, many of which point to redirector infrastructure like 'ttraff.cc'. The document body, though heavily obfuscated, appears to contain keywords related to a location and potentially a lure. The presence of multiple external PDF links suggests an attempt to manipulate search engine results or direct users to malicious content. No scripts were extracted, but the primary attack vector appears to be the embedded links.

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=lowes+abington+ma In PDF document text
    • http://files.ballardbanjers.com/uploads/1/3/1/6/131636766/2533e5413255d0.pdfIn PDF document text
    • http://files.juliamontgomery.com/uploads/1/3/0/9/130969985/nimutegavidis.pdfIn PDF document text
    • http://files.elkhornvalleyhrc.com/uploads/1/3/0/7/130775466/f328c8.pdfIn PDF document text
    • http://files.ksp-boutique.com/uploads/1/3/1/4/131453288/3415944.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/47878122177.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1263/6315/files/62034180448.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6678/4932/files/japifosinakozadomuzudig.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4388/0103/files/boxet.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/25668779603.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5892/1621/files/tetudevunugumofi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9295/9642/files/18896299048.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8096/5534/files/lafazufimop.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8140/8420/files/57668203577.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3728/5797/files/31704993636.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4008/0025/files/59311190886.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1561/8215/files/silawasekagep.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_off00005038.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5038 5052 bytes
SHA-256: 242ebce67b7eb8c05b4c73de705df80f2a12261ba09f328df3e707eb1c21ff66
font_01_sfnt_off00006173.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6173 10328 bytes
SHA-256: dc4179765c22b8fa50ec578fecabc224e0e2342792794daf1c173301591b6703

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