Malicious PDF — malware analysis report

Static analysis result for SHA-256 2afb5a690e7e009e…

MALICIOUS

PDF

41.1 KB Created: 2020-08-14 21:27:22 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: dcee72a31efc769f5d5fd16ce42c8340 SHA-1: 648571ba649adad8459ab63a279ba4f55a7fd724 SHA-256: 2afb5a690e7e009ec07276821f8398ae02623a291e331bcdfe8eeff177fded15
194 Risk Score

Malware Insights

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

The PDF contains a link to a known malicious redirector, ttraff.com, which is designed to lure users with search terms like 'my talking angela game for mobile'. The document also hosts a large number of other PDF files on Shopify domains, likely as part of an SEO link farm to improve search engine ranking. The ML classifier strongly indicated maliciousness, and the presence of a malicious redirector confirms the intent to lead users to 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=my+talking+angela+game++for+mobile In PDF document text
    • http://godadako.brennanhealerprague.com/uploads/1/3/1/0/131069915/nazafatu.pdfIn PDF document text
    • http://files.ph-reviewers.com/uploads/1/3/0/8/130814594/rofuted-nuxet.pdfIn PDF document text
    • http://files.jacquelyncarterdesigns.com/uploads/1/3/0/7/130739827/danewu_tapokifagu_zotugofulu.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/1/0431/0256/8599/files/sanejebesubigiza.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2242/6013/files/gizuvuwuwowotarija.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1094/8254/files/21210086544.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4290/6007/files/zasodasazuworel.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8942/0695/files/edible_wild_plants_book.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0446/6117/8521/files/cooking_fever_cheats.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1243/1776/files/kuputobovirapire.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0910/6332/files/lemewonubibinizoz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9189/4176/files/folaberutudeg.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7264/2454/files/fosivowujevulixu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/1445/3410/files/khasi_song_2019.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8922/3066/files/5363439845.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_off000061a7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x61A7 5220 bytes
SHA-256: f05938eb216ac928fb8cffb54efa5cd793853125c60e85b947c95fac01626d03
font_01_sfnt_off00007370.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7370 10592 bytes
SHA-256: 4f2d6afba785786b351bbc936c2ea21d8252c092a1e3bb388ce9e752c1f55037

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