Malicious PDF — malware analysis report

Static analysis result for SHA-256 7c0ac3c068e1b49e…

MALICIOUS

PDF

39.7 KB Created: 2020-08-23 23:10:45 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 47310ae4acde1b1371d7781360f8fe06 SHA-1: dc7a3e1b8405edc703ba70d80af32b31a6d98415 SHA-256: 7c0ac3c068e1b49e26a657b114fe8dbf1a4bb65a87abad5724e0821d8618feaa
194 Risk Score

Malware Insights

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

The PDF contains embedded links that redirect to malicious infrastructure, specifically identified by the 'PDF_MALICIOUS_REDIRECTOR_LINK' heuristic. The document body, though heavily obfuscated, contains text that appears to be a lure for 'Bhojpuri video gana dj remix'. The presence of numerous external PDF links, many pointing to Shopify domains, suggests a link farm designed to obscure the malicious redirector. The ML classifier also strongly indicated maliciousness.

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=bhojpuri+video+gana++dj+remix In PDF document text
    • http://files.anahataretreataustralia.com/uploads/1/3/1/3/131383949/niludomonexegefafaf.pdfIn PDF document text
    • http://files.nickynoodlesdoodles.co.uk/uploads/1/3/1/4/131453725/midiluzo.pdfIn PDF document text
    • http://files.dagfrognes.com/uploads/1/3/0/7/130739480/0c25e375009.pdfIn PDF document text
    • http://files.irepairtools.com.au/uploads/1/3/1/4/131483372/b7f51f4bdb75fa0.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/1/0464/5240/8488/files/77816003896.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5698/0377/files/13836855586.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6083/0111/files/3543193311.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/sebifoxof.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5935/5558/files/diluto.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/6544/9371/files/gexusedetixize.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7182/2229/files/10315471597.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/1791/0944/files/loviverunonegadapuzivovas.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3577/1558/files/definitions_of_leadership.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3061/8020/files/22189451733.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8545/4757/files/sutepiwokarufitevapa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8788/8551/files/the_mysterious_benedict_society.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 5

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_off00004f91.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4F91 5416 bytes
SHA-256: 796f7743528b83e6dda2f68306b449b7c9854a28f2725851a83c742728a7356b
font_01_sfnt_off000061e6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x61E6 14712 bytes
SHA-256: cfa3a43e013fa14cf35802cfa20240882a3f87b040795141d6d4e4c1e3c12aa0

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