Malicious PDF — malware analysis report

Static analysis result for SHA-256 94c91529fd9fed37…

MALICIOUS

PDF

46.7 KB Created: 2020-08-01 02:33:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 52f84a745f89218a88cef7ea74368262 SHA-1: 86e63fcc404a49ac708083e15194ab98a555ab62 SHA-256: 94c91529fd9fed3747dfd70382b133ac07c772f20a6cffd1d8e5730296b42ee7
194 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many of which point to a known malicious redirector. The primary malicious URL identified is https://ttraff.cc/pify?keyword=edimax+ew-+7811un. The document body appears to be obfuscated or corrupted, but the presence of numerous links and the critical heuristic firing for PDF_MALICIOUS_REDIRECTOR_LINK strongly indicate a phishing or redirection attempt.

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.cc/pify?keyword=edimax+ew-+7811un In PDF document text
    • http://files.narrativeimaginings.com/uploads/1/3/1/3/131379894/312cb194f8e.pdfIn PDF document text
    • http://files.empressanjahlapromotions.com/uploads/1/3/2/6/132695194/5276175.pdfIn PDF document text
    • http://files.jlsnaps.com/uploads/1/3/0/7/130776042/1ec588ba97.pdfIn PDF document text
    • http://files.fosterhomestead.com/uploads/1/3/1/3/131380786/5306625.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/1/0436/2059/7923/files/69915019838.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/8346/3832/files/73814481421.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/7442/7806/files/lesofewimamejozux.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6621/2003/files/mipujabomepodiperekibe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5598/8387/files/bokopukijobusemuv.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2078/7613/files/78114793226.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7679/7081/files/81756727696.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/9992/1315/files/91497164283.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/0070/9791/files/wotlk_tailoring_guide.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5122/1146/files/93812918256.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0937/5383/files/95135009252.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0319/9136/files/rizimawosupejewit.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 6

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_off00007670.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7670 5140 bytes
SHA-256: 4ec364efa1e912a0f619c90aec5eaf3b70c6a1d2c8088f9a2b487eed6dd542c9
font_01_sfnt_off00008805.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8805 10840 bytes
SHA-256: 683e54c7dddabc7ee805817792d175e798c80f45e6bfa63f076d01cf0c0d2f12

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