Malicious PDF — malware analysis report

Static analysis result for SHA-256 6cc403b6d9b3d27a…

MALICIOUS

PDF

40.6 KB Created: 2020-08-20 19:00:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: e6b8bcb5ef57301d00726602c9afb632 SHA-1: 11ccc56d55931cddcfaf8979a4acb3b5be67076e SHA-256: 6cc403b6d9b3d27a6edbffacd60fcd58ce7a2f8ee1278abb23f3c20ef4c08304
194 Risk Score

Malware Insights

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

The PDF contains multiple embedded URLs, with a critical heuristic firing indicating a link to known malicious redirector infrastructure at 'https://ttraff.com/pify?keyword=bunshinsaba+3+sub+indo'. This URL is presented as a lure for a free download, suggesting a phishing or malware distribution attempt. The presence of numerous other PDF links, many hosted on Shopify, further supports the SEO link farm tactic for distributing malicious 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=bunshinsaba+3+sub+indo In PDF document text
    • http://fumivire.sparklove.info/uploads/1/3/1/1/131164250/jarewikopapovesasi.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/1/0430/3002/0247/files/xidudebizuzu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1910/7480/files/cido_carbonico.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8683/0998/files/dupigoxoz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1386/4604/files/cocoyam_starch.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/89089693040.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/0310/7752/files/glencoe_physical_science_textbook_answers.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8181/7494/files/cowlitz_river_fly_fishing_report.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/8999/1582/files/dissertation_acknowledgements_examples.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0445/6821/5716/files/basel_3_file.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1558/5448/files/statistical_methods_for_astronomical_data_analysis.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2020/6758/files/13587534154.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0264/2075/files/wavixuzanejiniwuwokip.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0329/7438/files/jingle_bell_song_video_free.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 2

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_off00005315.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5315 3612 bytes
SHA-256: 6bd0efc9bc0655ea73cd5443d4ae9599e7ecaeed3b7bce1feac793206c03b207
font_01_sfnt_off00005fdf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5FDF 5140 bytes
SHA-256: 00a2b1193b7e8105beb26e6cecabfeaf9884b178851e75c9545eaadbcd064c1f
font_02_sfnt_off00007149.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7149 10740 bytes
SHA-256: 8cc800d97f61716a2203465a3fc415089967d17df943ddaa4c295d4d9b7208b9

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