Malicious PDF — malware analysis report

Static analysis result for SHA-256 260d478c99120ae1…

MALICIOUS

PDF

38.2 KB Created: 2020-07-28 04:42:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 9780dcb5db429369959413a5ed1a7efa SHA-1: 8c8a76017867b341595e730b2c05d4e50c52c7ec SHA-256: 260d478c99120ae18a54668d30afcf2664b097fc41192cbecad22dfc5bb8b6bf
150 Risk Score

Malware Insights

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

The PDF file was flagged by multiple critical heuristics for containing malicious redirector links and a link farm. The primary malicious URL identified is 'https://ttraff.cc/pify?keyword=ability+first+australia+annual+report', which is likely used to redirect users to a malicious site. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the presence of numerous external links points towards a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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.cc/pify?keyword=ability+first+australia+annual+report
    • http://files.spiritenergymedicine.com/uploads/1/3/1/4/131407148/263b2.pdf
    • http://files.famousdoodles.com/uploads/1/3/0/7/130739452/5529058.pdf
    • http://files.partonscience.com/uploads/1/3/0/7/130740210/satubewojexop.pdf
    • http://files.evolvedathletix.com/uploads/1/3/1/6/131607662/3379465.pdf
    • https://cdn.shopify.com/s/files/1/0435/5312/8612/files/78481010250.pdf
    • https://cdn.shopify.com/s/files/1/0433/6759/6184/files/buwebezaxu.pdf
    • https://cdn.shopify.com/s/files/1/0434/6662/1094/files/51467254444.pdf
    • https://cdn.shopify.com/s/files/1/0432/8387/3942/files/puwisodupawedufukas.pdf
    • https://cdn.shopify.com/s/files/1/0430/3742/5818/files/35823601859.pdf
    • https://cdn.shopify.com/s/files/1/0431/5827/4205/files/rafiwexafixaberox.pdf
    • https://cdn.shopify.com/s/files/1/0432/8580/7268/files/15450210868.pdf
    • https://cdn.shopify.com/s/files/1/0432/7433/8472/files/wetavifijasanenovugamigi.pdf
    • https://cdn.shopify.com/s/files/1/0430/5253/1869/files/gufajebudowati.pdf
    • https://cdn.shopify.com/s/files/1/0430/3365/7507/files/robukutinabevuvumet.pdf
    • https://cdn.shopify.com/s/files/1/0432/7079/9516/files/26490148078.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_off00005b32.bin
0f554873b0689e6e9e41edffa5c1c1a1627ced80011641e32a5049accc931191		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5B32 5008 bytes
font_01_sfnt_off00006c43.bin
af0c463a178e52e8e3e216b8134d2fb67c47f5617866c25c4dc59444dbe17e5b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6C43 9164 bytes

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