Malicious PDF — malware analysis report

Static analysis result for SHA-256 e5d738c68964639e…

MALICIOUS

PDF

56.2 KB Created: 2020-08-18 14:51:54 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 8b13134c6e9964031aaf5002114203fc SHA-1: cfe35925ebe23be2bef90be571bccd97b8dc8e35 SHA-256: e5d738c68964639e016303c9a709e9aa3bb490228b40044b95aab67928c056cd
194 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, with a critical heuristic firing indicating a malicious redirector link to 'https://ttraff.cc/pify?keyword=induction+proof+template'. The document body, though heavily obfuscated, contains the text 'Induction proof template', suggesting a lure to trick users into clicking the malicious link. The presence of a link farm heuristic further supports the malicious intent of distributing links to potentially harmful content.

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=induction+proof+template In PDF document text
    • http://files.matteaorr.com/uploads/1/3/2/6/132681783/d148ce06964.pdfIn PDF document text
    • http://files.kimrichards.co.uk/uploads/1/3/2/6/132695829/tegesoni.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/1/0431/2078/7613/files/album_jet_planeta_sorprendente.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1734/6965/files/wemurukuvi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/5507/7790/files/jotatunurowirodedenenabug.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8186/6143/files/projeto_alimentao_saudavel_em.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0797/5335/files/xozovoxek.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7978/5891/files/98183528700.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/0967/7224/files/soul_searching_books.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/8800/1689/files/rpa_automation_anywhere_tutorial.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1756/0473/files/kedorakopupozumede.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0447/5944/9749/files/cracking_the_sat_physics_subject_test.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5981/3279/files/20717558239.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1530/6405/files/97299019658.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000081a1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x81A1 5060 bytes
SHA-256: 6a8bf94b6f78bccc71b6d04de0adad8bfc385a4611006419fdc42b00adedf03b
font_01_sfnt_off000092b6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x92B6 13840 bytes
SHA-256: 40dd7d78caab5d2a51bc3b64783b8375c769456adfb38fc25c83f1ffa2de102a
font_02_sfnt_off0000bf10.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBF10 16088 bytes
SHA-256: 482b7b4fee51162e6a5d82ff10b0db2f6da6482a74a1be5a66137bb6d850bf40