Malicious PDF — malware analysis report

Static analysis result for SHA-256 a2dae4d82b3401fd…

MALICIOUS

PDF

39.8 KB Created: 2020-07-29 04:27:20 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 48b978dc0a2f9263b427fddccce70a36 SHA-1: e61b18f6effed7f1308565a9f47a9356c2d36221 SHA-256: a2dae4d82b3401fda524041eeb50c2641842826ab1b82d282afe476b9a33baad
194 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.cc/pify?keyword=girl+guides+canada+uniform'. This URL is presented within the document's content, likely as a lure. The file also exhibits characteristics of a link farm, with numerous external PDF links, many hosted on cdn.shopify.com. No scripts were extracted, and the document body was heavily obfuscated, but the presence of the malicious redirector is the primary indicator of compromise.

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=girl+guides+canada+uniform In PDF document text
    • http://files.diocesanchurchdevelopment.org/uploads/1/3/1/6/131606360/fagafumob-xuxumibiwodare-dizofet.pdfIn PDF document text
    • http://files.scacsl.com/uploads/1/3/2/6/132681409/1a081ca1b.pdfIn PDF document text
    • http://files.my-family-lore.com/uploads/1/3/0/9/130969012/tezipoxelaxunixe.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/1/0437/8748/5342/files/wugasokuwezi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/87960197539.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0978/5512/files/zezerowanijusobanujabab.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/4196/2649/files/vikewitogolobojojon.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5905/2706/files/nolakiri.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/3640/0037/files/jixokinijexilekexaxojat.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/5538/0630/files/kugazopip.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/4234/6907/files/gizoresaz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2073/0020/files/40794479357.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/pafinekumukomotutawewokab.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2057/3082/files/sakarenemipurelinig.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_off00005dcd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5DCD 5172 bytes
SHA-256: 4561e80264bcc3267a7591d4752f066772e3d04914610747db50358362ad5f76
font_01_sfnt_off00006f41.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6F41 10116 bytes
SHA-256: 0f9e88c58efb63dca0a5d2514c2dec92234c56a6bdeaa6276a0112418dc776e0