Malicious PDF — malware analysis report

Static analysis result for SHA-256 cda38e7468473220…

MALICIOUS

PDF

55.7 KB Created: 2020-08-09 23:58:54 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 3369f46ae61cedbd7687fa13029bc150 SHA-1: f517a01c17f8fd4fd00f24405c41602ef00e14a8 SHA-256: cda38e746847322026e7df4cbcf63d16796bc8d04143abbce63e88b53c8e69b5
194 Risk Score

Malware Insights

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

The PDF contains a prominent link to 'ttraff.com', identified as a malicious redirector. This link is presented in a way that suggests it leads to an 'asme code pdf', likely a lure to entice users to click. The PDF also contains a large number of embedded links, many pointing to Shopify domains, which is characteristic of SEO link farm abuse to obscure malicious destinations. The ML classifier strongly flagged this PDF as malicious.

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=asme+code+pdf In PDF document text
    • http://burow.kentuckywritingproject.com/uploads/1/3/1/6/131606289/mamofamazefoje.pdfIn PDF document text
    • http://vikuwomet.carriagehouseonset.com/uploads/1/3/0/9/130969723/supabaz.pdfIn PDF document text
    • http://files.fraudcamp.com/uploads/1/3/1/3/131384286/wanato.pdfIn PDF document text
    • http://files.janvantblik.nl/uploads/1/3/2/7/132740362/ziwifej.pdfIn PDF document text
    • http://files.crackedcoffeecup.com/uploads/1/3/2/6/132681556/satuzelikuroku_tawetolex_mejejesezavoxuf_ruvifezede.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/1/0433/8037/5704/files/mifuvokowo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4963/2412/files/17971800953.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4420/8797/files/golden_ravasaur_egg_wow.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/3469/6097/files/carl_jung_analytical_psychology.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6196/8025/files/paxufiveges.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2191/0694/files/13225560933.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7967/9646/files/3806245153.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8062/9913/files/wulazuriv.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1167/8114/files/mujudogogekuxuvogesuligew.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2862/7107/files/architectural_photography.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2132/0870/files/74147451548.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4178/2946/files/97082287689.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 4

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_off00009e60.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9E60 4952 bytes
SHA-256: 8bf43bbc9ae894dd6e0dfbb001ff41c1935322c0e578b83b75845a1b7cc655eb
font_01_sfnt_off0000af30.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xAF30 10220 bytes
SHA-256: 3c7930de700c30434ea349372f164bc45021d4ecdda4e3267e749860ac6605fe

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