Malicious PDF — malware analysis report

Static analysis result for SHA-256 9547cb9b8b823b47…

MALICIOUS

PDF

43.1 KB Created: 2020-08-18 16:40:59 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: ea6f933a60dca89f2247d381eed75458 SHA-1: 250bed32c3d6ffd3e69c9e44309127bd5067a840 SHA-256: 9547cb9b8b823b4712991df2972e33b4f6808c0db6802e73394d471fc36a93f3
194 Risk Score

Malware Insights

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

The PDF file was flagged by a critical heuristic for linking to known malicious redirector infrastructure. It also contains a link farm with numerous external PDF links, many hosted on Shopify. The primary malicious URL identified is https://ttraff.ru/pify?keyword=angaraka+kannada+movie+song. The document body contains garbled text and the identified URLs, suggesting a lure to disguise the malicious links.

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=angaraka+kannada+movie+song In PDF document text
    • http://luxorus.emilycasnyder.info/uploads/1/3/1/4/131408899/c275b02a1b3.pdfIn PDF document text
    • http://resalike.innerframework.org/uploads/1/3/0/7/130738890/rowizoliledaviri.pdfIn PDF document text
    • http://files.oteromuseum.org/uploads/1/3/0/7/130775361/01c8a736a9846.pdfIn PDF document text
    • http://files.budsofbuds.com/uploads/1/3/2/7/132740352/1868726.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/1/0431/1891/9837/files/40382014372.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/2910/0701/files/47833457813.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8896/9882/files/adjectives_worksheets_for_grade_8_with_answers.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3863/0300/files/logumafix.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8592/2466/files/regapegas.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/9566/8376/files/dowalimemumubumelej.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8256/3232/files/joganixanapufewakibin.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3957/1616/files/kick_it_in_the_sticks_lyrics.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0568/9499/files/38628786219.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000621d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x621D 5228 bytes
SHA-256: 1dd4d977e5047acca62803f1f42e35fa8f3c303fa9f3a0ac9f94b37aa678a695
font_01_sfnt_off000073d6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x73D6 14152 bytes
SHA-256: 6c8938f798bf8f7a90200d5c970becd3db7b1369093ad7568bbe0a4efa178361

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