Malicious PDF — malware analysis report

Static analysis result for SHA-256 d0aaefad277668fe…

MALICIOUS

PDF

131.5 KB Created: 2020-08-16 21:30:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5803c607b9202b53faba1a8dea1c838c SHA-1: eaf519a71d094676f45c0a33c3017bcf25ba9e0c SHA-256: d0aaefad277668fe7b72b277c30a7af1f86de113e177e73498e37804c01ab3f1
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.001 Malicious Link T1059.001 PowerShell

The PDF contains a heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.cc/pify?keyword=apollo+11+moon+landing+video'. This URL is presented within the document body, disguised as content related to the Apollo 11 moon landing. The PDF also exhibits characteristics of a link farm, with numerous external PDF links, many hosted on cdn.shopify.com. The primary malicious IOC is the redirector URL, which is likely used to funnel victims to further malicious content.

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=apollo+11+moon+landing+video
    • http://files.becomingsarh.com/uploads/1/3/0/7/130739567/3400932.pdf
    • http://jegejip.integrated-health.net/uploads/1/3/1/3/131398102/famaguw.pdf
    • http://jadaluti.tmsapvo.com/uploads/1/3/1/3/131397989/miwig.pdf
    • https://cdn.shopify.com/s/files/1/0432/9740/7126/files/58799036013.pdf
    • https://cdn.shopify.com/s/files/1/0430/4211/1650/files/49557715870.pdf
    • https://cdn.shopify.com/s/files/1/0438/5452/8677/files/93052255984.pdf
    • https://cdn.shopify.com/s/files/1/0433/5117/9416/files/54746219483.pdf
    • https://cdn.shopify.com/s/files/1/0431/7567/4024/files/lubufafefewi.pdf
    • https://cdn.shopify.com/s/files/1/0441/3505/5512/files/begeropimun.pdf
    • https://cdn.shopify.com/s/files/1/0428/1306/3327/files/nesojegawetar.pdf
    • https://cdn.shopify.com/s/files/1/0433/2286/7880/files/lezaxoves.pdf
    • https://cdn.shopify.com/s/files/1/0432/5651/2676/files/94306230066.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_off0001c8fe.bin
48b074b9ff0615dff5ed26913864d66c5d468cc34926e477e701f604c807f7cc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1C8FE 5108 bytes
font_01_sfnt_off0001da54.bin
bc27f0e053b24751fb9ef428623e92ca3c821ebcfcaffe32a86fbb3274139dbb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1DA54 11876 bytes

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