Malicious PDF — malware analysis report

Static analysis result for SHA-256 0e99065774982059…

MALICIOUS

PDF

49.4 KB Created: 2020-08-25 01:09:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 855345ff30f195ef65363e0e67465a2e SHA-1: b1274988b7333d57040043753982f2424b15972a SHA-256: 0e99065774982059ba5467e25ae0442489ad5cd99b8b65d55bb7cd0ec242876b
194 Risk Score

Malware Insights

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

The PDF contains multiple links to redirector infrastructure, specifically ttraf.com, which is flagged as malicious. The document body, though heavily obfuscated, contains a reference to 'Anushka shetty movie songs' and the malicious URL, suggesting a lure for free content. The presence of numerous external PDF links further indicates a link farm or SEO manipulation tactic to distribute the malicious payload.

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=anushka+shetty+movie+songs In PDF document text
    • http://zatanuf.presentationcentre.ie/uploads/1/3/1/3/131398140/3643047.pdfIn PDF document text
    • http://files.shopcrochetco.com/uploads/1/3/1/4/131437702/jukodufumaxagalog.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/1/0431/8131/0114/files/26758305008.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3935/9127/files/liwejefivekajibuzifoxerez.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2210/6271/files/90779961261.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0448/6764/9698/files/six_records_of_a_floating_life.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0448/9153/7563/files/ccna_exam_2019.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/5755/9190/files/heavyweight_flannel_sheets.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2634/1272/files/dulux_paint_colour_chart_download.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 1

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_off00008533.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8533 5188 bytes
SHA-256: dfdfdd96314b1fcad3eab03ddd9c81a432436a76ece64ea48ae95beb5eaa08e0
font_01_sfnt_off000096c2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x96C2 10040 bytes
SHA-256: d374b33a9e63addefd349664cc8ab3bc26f226206c03e8d0bc69ba58a4e876ca

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