Malicious PDF — malware analysis report

Static analysis result for SHA-256 d2a8ad24a842baa3…

MALICIOUS

PDF

51.4 KB Created: 2020-08-28 07:44:04 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: b64f3f6e17f7c5c6b893e00311e62d42 SHA-1: fb10ce301acb232bb72dad1ba101e9d7ffb8a760 SHA-256: d2a8ad24a842baa3e09234520d603f2dedb0336ed9c687f82a1032721fcdfa85
194 Risk Score

Malware Insights

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

The PDF contains a mass external link farm, with multiple links pointing to potentially malicious domains. The primary malicious link identified is 'https://ttraff.cc/pify?keyword=ddo+warlock+build+2018', which is a known malicious redirector. The document body text, though heavily obfuscated, contains this URL, suggesting it is the intended lure. 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.cc/pify?keyword=ddo+warlock+build+2018 In PDF document text
    • http://guvefap.ndsportschannel.com/uploads/1/3/1/3/131379478/wusogepesifefe-timevijatefa-tilijipozoki-xiwawaxariduki.pdfIn PDF document text
    • http://files.tritongymwear.com/uploads/1/3/1/4/131407802/3d85aeb9809.pdfIn PDF document text
    • http://tidupiru.prudhoelocalhistory.com/uploads/1/3/2/7/132740541/9674050.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/1/0430/2526/8889/files/jomudom.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/5131/7408/files/bksb_initial_assessment_maths_answers_level_3.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0275/7281/files/50053915351.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0776/9750/files/91036553292.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9454/0452/files/disk_write_error_steam.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0461/9691/6374/files/methods_in_behavioral_research_12th_edition_free.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9631/7845/files/65320350379.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/5320/1046/files/tiwugowurilene.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2145/0914/files/kolkata_travel_guide.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6581/8789/files/jumewetegidaferubudexo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0698/3335/files/zaranotitelofikotexaraxiw.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5177/8202/files/70547400554.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7889/3214/files/34454403878.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_off00008ae4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8AE4 5572 bytes
SHA-256: cef5a466ec372051fad07eb1feeb8e745fa588a485f015c5070f4150aa9b7f21
font_01_sfnt_off00009e0a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9E0A 10088 bytes
SHA-256: 149501233f7e1a3fd178d3261e2d5eec911dbadbb4c35b6c05cc9f9c050828cc

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