Malicious PDF — malware analysis report

Static analysis result for SHA-256 1282d73c60c19517…

MALICIOUS

PDF

43.2 KB Created: 2020-08-03 20:23:06 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 47e4fe984ee913e367f6bab45ed4f0c4 SHA-1: c66e64f68033af33024baf957a36326b6747e9ae SHA-256: 1282d73c60c195173357354f57af6116f283002ed16dab86ddcf97c0add84ecd
194 Risk Score

Malware Insights

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

The PDF contains numerous links, many pointing to a redirector service (ttraff.com) under the guise of engineering documents. This pattern is indicative of a phishing or malware distribution campaign, likely using spearphishing as an initial access vector. The presence of embedded URLs and the ML classifier's high confidence score support this assessment.

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=road+and+building+engineering+pdf In PDF document text
    • http://files.mccullochsfitness.com/uploads/1/3/0/7/130775286/letijufuxir-rovevuruz.pdfIn PDF document text
    • http://files.nafsijewels.com/uploads/1/3/0/7/130775978/508b806bff.pdfIn PDF document text
    • http://files.cockatooparkmorgans.com/uploads/1/3/0/8/130813489/dikevejomesaziv.pdfIn PDF document text
    • http://files.okanagankootenaywelldrilling.com/uploads/1/3/0/8/130815095/0bad2af6.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3049/4878/files/rorurusaxigasoxaxuvobuj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0448/3701/1613/files/fraleigh_abstract_algebra.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3792/5281/files/javascript_get_mouse_position.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3620/5479/files/ti_89_games.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0899/1140/files/bofotesuket.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4584/6168/files/sigixuguxofidu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4396/3555/files/59267379743.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/7485/5846/files/17660105166.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6335/3250/files/boroxamuketiji.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3159/3113/files/33187687627.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0144/6554/files/zabututo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/3772/6622/files/lasibari.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005fb7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5FB7 4980 bytes
SHA-256: 5a4c50757ae69c00f98e06123e6da2b96e633ad9d92bf36b26822d936d35aa40
font_01_sfnt_off000070a7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x70A7 9632 bytes
SHA-256: 690c7c77ae3b22cfbe8f01b78f521fdd250a48c4b681ad75f2912f489394184d
font_02_sfnt_off00009190.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9190 4324 bytes
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3

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