Malicious PDF — malware analysis report

Static analysis result for SHA-256 9bde31a627c21922…

MALICIOUS

PDF

34.7 KB Created: 2020-08-08 00:56:14 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 3910d1842cd64898b807f8619f1ecd57 SHA-1: 5d5e52bea6cd6b95b2c2d60d5c4a50c9ed2f0891 SHA-256: 9bde31a627c21922cc23a57d10bc7eb0804961b272e35c97d7493130fa732922
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains numerous embedded links, with a critical heuristic identifying a link to a known malicious redirector at 'https://ttraff.com/pify?keyword=appelle+moi+par+ton+nom+pdf+gratuit'. The document body, though partially corrupted, includes this URL and other Shopify links, suggesting a lure to download a 'free PDF'. The presence of multiple unknown and potentially malicious URLs indicates a distribution or phishing attempt. No scripts were extracted, but the PDF structure and link farm point to a malicious redirection strategy.

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=appelle+moi+par+ton+nom+pdf+gratuit In PDF document text
    • http://vobux.imjustkee.com/uploads/1/3/0/8/130874284/9676306.pdfIn PDF document text
    • http://zodotowix.modernartphotograph.com/uploads/1/3/1/4/131437736/nitaxun.pdfIn PDF document text
    • http://files.staterralaw.com/uploads/1/3/1/8/131856146/5f512f.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/1/0440/7332/0600/files/wutuvavojoborovomixu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/5947/6630/files/pesoka.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5498/0505/files/nozilik.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9884/0995/files/cirugia_ambulatoria_pediatrica.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8948/4190/files/moluxibinupe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/2380/9187/files/gawutijizod.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1583/0695/files/68957630280.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8957/6601/files/darkrp_kidnapping_mod_1._16.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0173/3542/files/17645817996.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9109/0844/files/33854917394.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/1355/4855/files/lukawowuromo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0182/2875/files/porsche_944_wiring_diagram.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000046f5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x46F5 5172 bytes
SHA-256: fb5a28618879e1f8806bac5b84153116841bba346a3f470786859b4b2c49bc36
font_01_sfnt_off0000587b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x587B 10880 bytes
SHA-256: c0b5fec10ca88f2c8b60739a649481b9ba01786a26f1722cbf4ba8e0b7be467f

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