Malicious PDF — malware analysis report

Static analysis result for SHA-256 f597078bf94299d0…

MALICIOUS

PDF

44.8 KB Created: 2020-08-30 18:11:09 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5c6ae8d67cb62b8452da5710d5c00d39 SHA-1: 1626f78bf359eafc6348fd70066fdf887d63b2a2 SHA-256: f597078bf94299d0b97efcd08169dc0d8c0afc3891fc9459233fb2cce8671729
120 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for PDF_MALICIOUS_REDIRECTOR_LINK, indicating it points to malicious infrastructure. Additionally, PDF_SEO_LINK_FARM indicates a large number of embedded links, likely for SEO manipulation or to obscure the malicious redirector. The document body, though partially corrupted, contains the URL https://ttraff.link/wix?keyword=comment+faire+pourcentage+sur+clavie, which is the primary indicator of malicious intent, likely leading to a phishing or malware download page.

Heuristics 3

  • 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.
  • 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.link/wix?keyword=comment+faire+pourcentage+sur+clavie
    • https://cdn.shopify.com/s/files/1/0443/3159/7980/files/92468222356.pdf
    • https://cdn.shopify.com/s/files/1/0443/6210/4988/files/netherlands_visa_form_from_qatar.pdf
    • https://cdn.shopify.com/s/files/1/0434/2543/1709/files/clinical_anesthesia_procedures_of_the_massachusetts_general_hospital_9th_edition.pdf
    • https://static.usrfiles.com/ugd/47b1e8_8be5fa3ec1b4440fbb5eb5c95402d513.pdf
    • https://static.usrfiles.com/ugd/9904c2_582be7e71a5041cda93371835c697710.pdf
    • https://static.usrfiles.com/ugd/b8c837_3c56e61e3b664d558c0ca432919ec428.pdf
    • https://cdn.shopify.com/s/files/1/0428/2312/3100/files/88455986077.pdf
    • https://cdn.shopify.com/s/files/1/0428/1293/2255/files/kamivisope.pdf
    • https://cdn.shopify.com/s/files/1/0434/0826/1285/files/boxivetewaxuzegereve.pdf
    • https://cdn.shopify.com/s/files/1/0430/2651/4077/files/raxuwokemaguritejoj.pdf
    • https://static.usrfiles.com/ugd/b8c837_edaa6cb7a74a450c919441e89df33d72.pdf
    • https://static.usrfiles.com/ugd/f0e51d_a0a165e7c25247938103ba6cf7751225.pdf
    • https://static.usrfiles.com/ugd/3ceeb9_b80d7b160e6f487095059266ac96485c.pdf
    • https://static.usrfiles.com/ugd/3f4b99_27fea96f123c43c1bfb3563c9970f552.pdf
    • https://static.usrfiles.com/ugd/b8c837_8b3bd44c3eb94a4f8ee3af58f267030a.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006e6b.bin
f7a61233236f917b9bd51367ec7f0601cabd306a4003031127a71819fb62d1a4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6E6B 5300 bytes
font_01_sfnt_off0000805d.bin
40d37eccf1c306b87418c295afde47158a539777b94f5da50aebe538d5b87065		 pdf-font-stream PDF embedded font (sfnt) at offset 0x805D 11548 bytes

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