Malicious PDF — malware analysis report

Static analysis result for SHA-256 da6a7312820a1b95…

MALICIOUS

PDF

43.4 KB Created: 2020-08-13 23:30:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 2f92ed8bddc5d4467ae6fc635cee29b8 SHA-1: 05f5889a2afddbddeb348a077819376bbdd7de47 SHA-256: da6a7312820a1b958817b7c8f23b609f1bd33287360a052ebe1351c3bc9860ff
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains a link farm with numerous embedded URLs, including a critical redirector link to 'ttraff.ru'. The document body, though heavily obfuscated, contains the text 'Garment specification sheet pdf' and the malicious URL, suggesting a lure to trick users into clicking the link. The ML classifier strongly flagged this PDF as malicious, indicating a high likelihood of it being used for malicious redirection or phishing.

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.ru/pify?keyword=garment+specification+sheet+pdf In PDF document text
    • http://files.debrarushfeldt.com/uploads/1/3/0/7/130775126/8177717.pdfIn PDF document text
    • http://sujog.essentiallybalancedmassage.com/uploads/1/3/1/4/131407995/zuwitaparabafibuwa.pdfIn PDF document text
    • http://files.liladala.com/uploads/1/3/2/3/132302859/5122453.pdfIn PDF document text
    • http://kimodep.upwardcr.com/uploads/1/3/1/4/131437130/zoxaxodufajap_purabijozojugi.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://cdn.shopify.com/s/files/1/0445/2987/7151/files/12183722068.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4994/3202/files/gimotixavusotaju.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6716/2276/files/32867371797.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5955/2155/files/76081706522.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9017/3349/files/wanejenup.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3170/7294/files/74596027241.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5144/1563/files/41765529747.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6982/4414/files/nijurikiraki.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/4267/5608/files/87896655064.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/1574/8253/files/80957435963.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 3

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_off00005fab.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5FAB 5180 bytes
SHA-256: 0801cfc1cd95894c5fe04d6cc3682c275e07c6cc725202be6d06da42581a6035
font_01_sfnt_off00007116.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7116 9904 bytes
SHA-256: 9fb0c4ca4326740c743ea765ea813391c228692dc427e64308c789544e117231
font_02_sfnt_off000092d8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x92D8 4324 bytes
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3

Open this report in the interactive analyzer, or submit your own file for analysis.