Malicious PDF — malware analysis report

Static analysis result for SHA-256 2614dced998385b6…

MALICIOUS

PDF

81.3 KB Created: 2020-08-06 21:46:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 18b3caec30a7543d32c1613470ab3c71 SHA-1: 4fddb2793bf76217aee4e8f239f2b974a0fc60ee SHA-256: 2614dced998385b6bc58777104953a0b15d24f902c8e4618c514b9b85e8e136c
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains a prominent link that redirects to a malicious URL, disguised as a CCNA full form PDF. This is further supported by heuristics indicating a malicious redirector link and a PDF link farm. The ML classifier also strongly flagged this PDF as malicious. The primary attack vector appears to be social engineering through a deceptive link.

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=ccna+full+form+pdf In PDF document text
    • http://files.kelseyshapira.com/uploads/1/3/1/1/131163898/fizexugizev.pdfIn PDF document text
    • http://files.schec.net/uploads/1/3/1/8/131871894/6851944.pdfIn PDF document text
    • http://files.drstephencahill.com/uploads/1/3/2/7/132740291/rokoxetiwa-lovaketoxenaxa-rurofe-pimewenenaga.pdfIn PDF document text
    • http://files.lntole.com/uploads/1/3/1/4/131453733/3056568.pdfIn PDF document text
    • http://files.wheaten.se/uploads/1/3/1/4/131437666/sanore.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/1/0430/1042/4993/files/10429531101.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2329/3864/files/jofozikixobevewo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/9190/9025/files/36923486956.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/8993/5002/files/16276432497.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1371/7662/files/36039928181.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5597/1480/files/29501815229.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3900/6632/files/pironeda.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8741/9805/files/aaa_cooper_bill_of_lading.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2794/5889/files/donell_jones_where_i_wanna_be_mp3.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/39858795743.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2750/4024/files/xabufixi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/4996/5985/files/zudur.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/4410/8445/files/xageb.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8702/8641/files/51924608045.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 8

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_off0000f8c0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF8C0 5028 bytes
SHA-256: 9c885ef7e56fdfe80eede28ed1665a35c74c43520744e0178908e1d4d47dfa84
font_01_sfnt_off000109c3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x109C3 14508 bytes
SHA-256: 2ad955d0101dd93667aafc06ecceba1a93abd71e7bdfd441de2b530514f948ad

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