Malicious PDF — malware analysis report

Static analysis result for SHA-256 d67405afb22e8bd1…

MALICIOUS

PDF

40.0 KB Created: 2020-08-11 16:37:56 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8df655d52ed8dd4be3a216ae9119a0ef SHA-1: 31fe99fb41ba712d1ad1e3384cb9ae72635134d6 SHA-256: d67405afb22e8bd171b162cf023114a0dbfbfbe457da9d4d3a07b0e299ee46bc
128 Risk Score

Malware Insights

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

The PDF contains a malicious redirector link disguised as a poem title, which is a common lure for phishing or malware delivery. The PDF also contains a large number of embedded links, many pointing to Shopify, suggesting a link farm or content distribution network used to host malicious files. The presence of a visual download button further supports a malicious workflow. No scripts were extracted, limiting the analysis of direct payload execution.

Heuristics 4

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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.ru/pify?keyword=anyone+lived+in+a+pretty+how+town+poem+pdf
    • http://files.delectanibble.com/uploads/1/3/0/9/130969334/fefiwesevefe_poxagamo.pdf
    • http://files.camping-hire-and-sales.com/uploads/1/3/0/9/130969200/2691567.pdf
    • http://files.williamverity.net/uploads/1/3/0/7/130739892/sokokadatanebo.pdf
    • http://files.achswritersweek.com/uploads/1/3/2/7/132740270/vutetamowike-loparivukagitel-nupidiki.pdf
    • http://podij.swimrunning.com/uploads/1/3/1/4/131407668/xupesuvadod.pdf
    • https://cdn.shopify.com/s/files/1/0428/4920/6439/files/48577898085.pdf
    • https://cdn.shopify.com/s/files/1/0433/6304/1430/files/latej.pdf
    • https://cdn.shopify.com/s/files/1/0431/6450/0122/files/antigona_sofocles_livro.pdf
    • https://cdn.shopify.com/s/files/1/0427/7246/3772/files/51573755684.pdf
    • https://cdn.shopify.com/s/files/1/0434/2402/2690/files/kiniditewopezizopu.pdf
    • https://cdn.shopify.com/s/files/1/0432/6617/9230/files/sigonuvabonanibavetefe.pdf
    • https://cdn.shopify.com/s/files/1/0437/3420/4568/files/49234598411.pdf
    • https://cdn.shopify.com/s/files/1/0433/1828/0357/files/vuzuxiwatonetum.pdf
    • https://cdn.shopify.com/s/files/1/0428/9429/5203/files/zutigumutepotof.pdf
    • https://cdn.shopify.com/s/files/1/0433/7234/7550/files/52456803976.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_off00005df3.bin
d016f0c2a2fca26d141203ee7f9ae0ed3b656b8abca077ac7c213cb6a513fcd4
pdf-font-stream PDF embedded font (sfnt) at offset 0x5DF3 5344 bytes
font_01_sfnt_off00007014.bin
c67f14fa6ab4a3ba6168e1e8af185bc02ab2c6c8330a1efc09e42c1895ac6a1a
pdf-font-stream PDF embedded font (sfnt) at offset 0x7014 10232 bytes