Malicious PDF — malware analysis report

Static analysis result for SHA-256 038f69c7981f3425…

MALICIOUS

PDF

36.1 KB Created: 2020-08-03 10:08:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: e5b99589646f383a27cebe9de0df3f76 SHA-1: 31aaae5a60e235a704e25d2b54e8f4d7ed80bcbd SHA-256: 038f69c7981f3425534657f07a29b81eed8abdfcaa70cf2229b49d6a47f7ea7e
194 Risk Score

Malware Insights

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

The PDF contains numerous links, many pointing to what appears to be an SEO link farm designed to redirect users to malicious content. The primary redirector URL, 'https://ttraff.com/pify?keyword=mud+rune+osrs', is flagged as malicious. This suggests the document's purpose is to drive traffic to malicious sites, likely for phishing or malware distribution, leveraging a 'free download' lure.

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=mud+rune+osrs In PDF document text
    • http://files.glitznglamonline.com/uploads/1/3/1/4/131437532/1ae81085b78e.pdfIn PDF document text
    • http://files.lapen.org/uploads/1/3/0/7/130776381/9fce548d3.pdfIn PDF document text
    • http://files.atlanticseasaltcompany.com/uploads/1/3/1/3/131398332/6088b97d7d02.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/1/0434/2376/0536/files/91975374133.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3383/7224/files/judisatifatipugedezaju.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7329/0908/files/31688687367.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4005/5208/files/nodoxiwokef.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5652/9557/files/toxosed.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7301/1863/files/72080924154.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4448/7836/files/xepirasemutipididuvoliwik.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5570/2425/files/muratozofoxudenatularilex.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/6187/9719/files/fanowudowiwenuguxunidabe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9707/9460/files/rejon.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5139/2922/files/17366608784.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7689/5398/files/accounting_intern_resume.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6835/7796/files/jivavune.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000051a2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x51A2 4580 bytes
SHA-256: d2a209a953d6bf93305e402c5e05d8f8c2d4cbed7d7ba0bacdfaa5177ae456f6
font_01_sfnt_off00006150.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6150 10132 bytes
SHA-256: df3d4137b4aac652f0317f39fb330019512424c52cf7d299c79ad585604e4ef6