Malicious PDF — malware analysis report

Static analysis result for SHA-256 18588b5d2868c92a…

MALICIOUS

PDF

49.4 KB Created: 2020-08-25 08:47:53 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 1269e24f6a06aea70e5bb40e9e7612f2 SHA-1: 7a373951e34baa4cea1fbf12c06f0eec6a7640a0 SHA-256: 18588b5d2868c92a6c923cea9385f510505e0a04041d80478a44175f3e1afae2
194 Risk Score

Malware Insights

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

This PDF document contains numerous links, including one pointing to a known malicious redirector at 'https://ttraff.com/pify?keyword=angular+form+pristine+dirty'. The document body, though heavily obfuscated, also contains this URL and other links to Shopify-hosted PDFs, suggesting a link farm or SEO poisoning tactic to lure victims. The ML classifier strongly indicated maliciousness, supporting the conclusion that this file is designed to redirect users to potentially harmful 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.com/pify?keyword=angular+form+pristine+dirty In PDF document text
    • http://files.theroanokerestaurant.com/uploads/1/3/1/3/131380445/padami.pdfIn PDF document text
    • http://tejuxip.edrenzi.com/uploads/1/3/1/8/131857114/kodolabaxizuki.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/1/0437/3191/0821/files/87351201954.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0451/8042/0247/files/55250673820.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7301/9808/files/35641191961.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/4477/1739/files/early_childhood_education_journal.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/1666/7815/files/kunduz_province_map.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/3851/4071/files/balancing_chemical_equations_worksheet_class_10.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4855/0050/files/wivoz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0470/6464/files/35729018578.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0306/0128/files/60809016606.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8979/5998/files/20870393885.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8522/6393/files/temaruvunezigenilirozi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0461/4271/8115/files/63295901870.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000679a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x679A 5452 bytes
SHA-256: 2d01962beda87ac16f209a02ea0a6d4e594e53ce63e66390a66fb2671495294d
font_01_sfnt_off00007a14.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7A14 3368 bytes
SHA-256: 800b3f4bb0b69a2b9df867b5b78b74591b0a007804f09584c08ddaf9515c7b00
font_02_sfnt_off000087aa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x87AA 14812 bytes
SHA-256: d8f22327994aa71a59df064d37f33d425cdfcbb3123ea85cfeb881ed70bcda6a

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