Malicious PDF — malware analysis report

Static analysis result for SHA-256 5cac00ce0220869e…

MALICIOUS

PDF

55.0 KB Created: 2020-08-20 23:05:46 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: dfdcb4f50042ba4145039064a48ea6e5 SHA-1: 2eddcf295d289455620ebafd63921781680661c1 SHA-256: 5cac00ce0220869e7a5031658e60720f910d878f6b77aba61ab46b88721e3e64
234 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript T1203 Exploitation for Client Execution

The PDF contains a large number of embedded links, many of which point to a redirector service known for malicious activity. The document body, though heavily obfuscated, contains a URL that appears to be part of a link farm designed to attract search engine traffic. The presence of a remote-support tool lure suggests an attempt to trick the user into installing potentially unwanted software or granting remote access.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • 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.
  • Remote-support tool lure high SE_REMOTE_SUPPORT_LURE
    Document instructs the user to install, open, or connect with a remote-support tool such as AnyDesk, TeamViewer, Quick Assist, or ScreenConnect — high-risk in an unsolicited document
  • 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=formattare+chiavetta+usb+protetta+da+scrittura+software In PDF document text
    • http://zemovi.tangofloorspace.com/uploads/1/3/0/7/130775531/jadabubugezulugabu.pdfIn PDF document text
    • http://files.inspiredfoodforlife.com.au/uploads/1/3/0/7/130740617/2925608.pdfIn PDF document text
    • http://files.starplanappliances.com/uploads/1/3/1/6/131606672/bemotudisi_limurakeva_bufifidexi_bixazazunasixij.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/1/0432/5667/6510/files/pusekidapemubo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9427/8293/files/60097425952.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/3427/0101/files/megibejotulobex.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/61927850068.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5402/3327/files/86783589667.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/8432/5798/files/xinobodezim.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2505/5387/files/campylobacteriosis_in_cattle.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7673/0533/files/pedevalog.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/7204/2661/files/46525453464.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4954/1017/files/73028309452.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6772/8279/files/dakaza.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5933/9674/files/chapter_13_capital_budgeting_techniques.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_off00008d63.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8D63 5612 bytes
SHA-256: 8e876b84e1c818a011b27270286f8825b2806bcaf65ace767ac834898b933953
font_01_sfnt_off0000a064.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA064 15124 bytes
SHA-256: 6629595d97a3c0b671424f8e64751e3c2d02d74849f7f6a445b0bb7d9d3e832d

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