Malicious PDF — malware analysis report

Static analysis result for SHA-256 05d9fb968c06af30…

MALICIOUS

PDF

33.9 KB Created: 2020-08-20 21:33:54 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 36ed15fea96c244a87b70e8026c9b012 SHA-1: f83602d86a1091d111432ced64f9fcbd7b42ee73 SHA-256: 05d9fb968c06af30cb0efd5d217f12d046832d9503dd0575db3510383daf72d4
254 Risk Score

Malware Insights

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

The PDF document contains numerous links, including a critical malicious redirector link to 'https://ttraff.cc/pify?keyword=ministry+of+finance+egypt+report'. The document body, though heavily obfuscated, appears to reference financial reports and uses the wkhtmltopdf generator, suggesting a lure for phishing or malware delivery. The presence of multiple SEO-optimized PDF links further indicates an attempt to distribute malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 7

  • 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.
  • PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
    PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
  • 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.
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
  • 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=ministry+of+finance+egypt+report In PDF document text
    • http://files.fourcornersveterinarysymposium.com/uploads/1/3/2/7/132710632/1f1e4d2d832.pdfIn PDF document text
    • http://pilimew.saborasalsa.com/uploads/1/3/2/6/132681233/971311.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/1/0431/8570/1019/files/ielts_listening_answer_sheet_2017.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/0356/6486/files/83315629917.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7201/1941/files/82436376431.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8388/1893/files/budget_highlights_2020_19.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/3469/6097/files/pebevixifojilefamewibu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6218/8449/files/aperturas_ajedrez_para_nios.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0449/9944/2590/files/zumigutodopen.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8365/3527/files/acidosis_respiratoria_caso_clinico.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/1161/9491/files/nifegozaxudonaletewudaza.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6938/2557/files/occupational_health_download.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004755.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4755 5260 bytes
SHA-256: 4d8d3840e9696913e9500d419dbadcfb9c693b0b3317e892111ce912201916c7
font_01_sfnt_off00005950.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5950 10024 bytes
SHA-256: 6cf797b407de23d0115f9a862dc46f6b25eec4069a730fd909afc7bfef27760d