Malicious PDF — malware analysis report

Static analysis result for SHA-256 15cf63e8b0f91847…

MALICIOUS

PDF

41.4 KB Created: 2020-07-30 17:07:23 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: af7c9b02f6712c33e95d72b6bd64f817 SHA-1: b85157271b5cf7b724479527481a7985dd47d949 SHA-256: 15cf63e8b0f9184780830cc461d2bcc1b3792aa03e5b61f5480a942483f3a1d5
194 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, many pointing to a redirector URL (https://ttraff.com/pify?keyword=because+of+winn+dixie+test+pdf), indicating a likely phishing or SEO spam campaign. The ML classifier strongly flagged this PDF as malicious. While no scripts were extracted, the presence of a malicious redirector and a large number of links suggests an attempt to lead the user to a malicious site, potentially for credential harvesting or malware delivery.

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=because+of+winn+dixie+test+pdf In PDF document text
    • http://files.bsmslibrary.com/uploads/1/3/2/6/132681556/tolofonuzirizel_suzuxafakesexir.pdfIn PDF document text
    • http://files.sweetsituation.com/uploads/1/3/2/7/132740399/2826784.pdfIn PDF document text
    • http://files.pennjournalconlaw.com/uploads/1/3/2/6/132682694/bawibixijuzawo.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/1/0427/8072/1311/files/42706183414.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9947/2550/files/fukijorebavu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2194/9335/files/zoxobuluvemizuviz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9472/1187/files/fetavewobi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2657/9610/files/bexul.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9934/8373/files/76412390816.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0469/0581/files/dujorusu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/lobusine.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/6384338271.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9158/2357/files/62623255501.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/4768/0162/files/wetidakigojorekofuzow.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/5588/8022/files/95882642384.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4479/8613/files/kifabuwipam.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5181/7879/files/zamira.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 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006482.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6482 5112 bytes
SHA-256: d17ceadd182878c0b6fb54c792d6712b9c83b7e8f5a8efd8b23ee2bb39c82613
font_01_sfnt_off0000760b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x760B 10160 bytes
SHA-256: b9be292793abe1960aff9516802a44f22ccad66194d7ec072caadcb681b477cd

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