Malicious PDF — malware analysis report

Static analysis result for SHA-256 a32ecbef89ff9883…

MALICIOUS

PDF

43.8 KB Created: 2020-08-10 18:33:14 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 8e8283049937a9af6a0d3f6a56fe9557 SHA-1: 3c6afc65779f92ed5082fb0a5442870cc0789883 SHA-256: a32ecbef89ff9883c4f3dddd35d442d604c5f323c23c41eb7fc6aa5f7f069e05
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'ttraff.com'. The document body, though heavily obfuscated, contains the text 'Gen z slang list pdf' and the malicious URL, suggesting a lure. The PDF also contains a mass external PDF link farm, with many links pointing to Shopify domains, likely for SEO manipulation or to host further payloads. The primary malicious IOC is the redirector URL.

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=gen+z+slang+list+pdf In PDF document text
    • http://files.miriamruberlartist.com/uploads/1/3/1/4/131483019/828517e6fc26dc2.pdfIn PDF document text
    • http://files.lumenctr.org/uploads/1/3/1/8/131871796/vatebobunaxu-sikuzoxupe-xebenujin-neruzomusame.pdfIn PDF document text
    • http://nutifozo.utbizreview.com/uploads/1/3/1/6/131606552/c9c904ace336.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/1/0429/1392/3228/files/cabalistic_encyclopedia.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0334/6078/files/41243997010.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2229/3920/files/zazuxefoxodadamonovuzerut.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/6633/6167/files/bioaccumulation_and_biomagnification.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9757/0980/files/pigezekelogidomaseguzaw.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8338/2427/files/45389412426.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4295/4661/files/kazejeparonudoja.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8028/6372/files/gatosa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2650/5128/files/zakobifivok.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3945/7429/files/98854062154.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/1511/6696/files/tongue_twister_generator.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_off00006e8f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6E8F 5196 bytes
SHA-256: f6753f0ff2359a5a3677235b30381f34ddb9a747c66019fdf910ef57bddcebc9
font_01_sfnt_off0000805c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x805C 10096 bytes
SHA-256: 0d80f2b2f5049c6b747234ee4616694ce13efda6f7767c22eb2f128109d5291b

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