Malicious PDF — malware analysis report

Static analysis result for SHA-256 6f9e3f0f62ccba7b…

MALICIOUS

PDF

60.8 KB Created: 2020-08-17 02:32:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 911b4f0ab0e1a9b45ae71f8110ae9f07 SHA-1: e122473fe1b778fe44f6cc90e382eda14b44cf60 SHA-256: 6f9e3f0f62ccba7b77a9ca60718f3a717ede7b375ac7f0addda82013d38e420e
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript T1203 Exploitation for Client Execution

The PDF contains numerous links to external resources, many of which appear to be part of a link farm designed to obscure the ultimate destination. The primary malicious indicator is the redirector URL 'https://ttraff.cc/pify?keyword=the+smart+shop+application', which is known to lead to malicious content. The document body text, though heavily obfuscated, also contains this redirector URL, suggesting it is the intended lure. The presence of many PDF links and a critical heuristic firing for malicious redirector infrastructure strongly indicates a phishing or malware distribution attempt.

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=the+smart+shop+application In PDF document text
    • http://rufow.amandalmia.com/uploads/1/3/0/9/130969723/majawu.pdfIn PDF document text
    • http://files.tinahilgers.ca/uploads/1/3/2/8/132814136/67dde8da.pdfIn PDF document text
    • http://files.mauricesendakcommunityschool.org/uploads/1/3/1/3/131398144/fuvulokedez_faregi_rabazaderoj.pdfIn PDF document text
    • http://files.drronmartinez.com/uploads/1/3/2/6/132695392/46039fc33d071.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/1/0433/8165/3655/files/80857381642.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2971/7407/files/xababa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0264/2075/files/togojopajixiz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8339/9329/files/misavaxokusane.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3088/8094/files/sikurifokevufipemepo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0403/5221/files/lexazirexupubuxig.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/8470/7992/files/backward_design_template.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/3899/6642/files/black_seed_health_benefits.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0448/9353/6423/files/kosowuluxa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2956/0486/files/47748195061.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0447/8566/4166/files/20536376089.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6451/7023/files/xukegifinobilovinipadeg.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/63537272249.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000099ed.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x99ED 5124 bytes
SHA-256: adf136b9a8d3c09228f486206c191242f06246685c4d71d39b5a6311e6148b39
font_01_sfnt_off0000ab2f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xAB2F 10900 bytes
SHA-256: 2fee9ab9382b3201b8020d57bb6f61a2b6a104b2b0c32e7bd1b7eb1a89047bf4
font_02_sfnt_off0000d0a8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD0A8 16304 bytes
SHA-256: 2ec471bc1dd097ba7445d0d98fae4076614f7d308a936bf5c28a382db3fe60d2