Malicious PDF — malware analysis report

Static analysis result for SHA-256 914b3f2952aaef14…

MALICIOUS

PDF

37.5 KB Created: 2020-08-17 11:06:59 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5f614917636db16d93a58e863ba83f0c SHA-1: 1ffe7cc976aeb342eb436c0399ca4e158532754a SHA-256: 914b3f2952aaef14dbe776d7b44af67c5c20d29e5affe436a12aa01b3981d719
120 Risk Score

Malware Insights

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

The PDF contains a link farm and a direct link to a known malicious redirector, disguised as a 'Lawson portal installation guide for Google Chrome'. The primary malicious URL is https://ttraff.cc/pify?keyword=lawson+portal+installation+guide+for+google+chrome. This suggests the document's purpose is to trick users into visiting the redirector, which likely leads to a malware download or phishing 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.cc/pify?keyword=lawson+portal+installation+guide+for+google+chrome
    • http://files.cottontailcottage.org/uploads/1/3/1/4/131408970/xutaxegowaki.pdf
    • http://files.mollykfleming.com/uploads/1/3/2/6/132683357/f825d0.pdf
    • http://xutawi.shakracentre.com/uploads/1/3/1/0/131071243/dudakixolu.pdf
    • http://sulevul.chelseacakecompany.com/uploads/1/3/2/8/132815028/d4d645c.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/80789229335.pdf
    • https://cdn.shopify.com/s/files/1/0428/1230/9670/files/1804641428.pdf
    • https://cdn.shopify.com/s/files/1/0432/9403/2025/files/metro_rio_de_janeiro_mapa.pdf
    • https://cdn.shopify.com/s/files/1/0431/8491/4583/files/podoxoweni.pdf
    • https://cdn.shopify.com/s/files/1/0434/3863/7208/files/4301635662.pdf
    • https://cdn.shopify.com/s/files/1/0430/5698/8317/files/59457381713.pdf
    • https://cdn.shopify.com/s/files/1/0432/9714/4990/files/dafobovivoxo.pdf
    • https://cdn.shopify.com/s/files/1/0434/4505/9749/files/86659706491.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_off00005358.bin
453ab0e5795762ea3a8a06487fafc3aa53f28fac3bb57c548256a628f798995f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5358 5604 bytes
font_01_sfnt_off0000664c.bin
161d66de30a50b8c6e48dcf39bb13054803e3ea28837d5cc15f6cde24193e63d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x664C 10296 bytes

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