Malicious PDF — malware analysis report

Static analysis result for SHA-256 53e9e9e47a707e4b…

MALICIOUS

PDF

49.2 KB Created: 2020-08-18 19:22:59 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7848ab64dc88722aa26089034de52ca7 SHA-1: 27a3eebae8acd45c36ca9fb2c7db8f5110d40989 SHA-256: 53e9e9e47a707e4b990bfd8250f55e03a4dd4462b66a9d93bff759957e363afb
120 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. This URL is embedded within the document body, which also contains a large number of external PDF links, many hosted on 'cdn.shopify.com'. The primary malicious link is likely intended to redirect users to a phishing or malware distribution site. No scripts were extracted from this sample.

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.com/pify?keyword=bluetooth+low+energy+android+tablet
    • http://files.stacierossow.com/uploads/1/3/0/7/130739084/49b15.pdf
    • http://files.mypeacelovelife.com/uploads/1/3/1/4/131437873/284938.pdf
    • https://cdn.shopify.com/s/files/1/0432/8446/3784/files/38567845915.pdf
    • https://cdn.shopify.com/s/files/1/0435/2330/9727/files/wuximotasob.pdf
    • https://cdn.shopify.com/s/files/1/0430/8277/6729/files/35260214025.pdf
    • https://cdn.shopify.com/s/files/1/0430/9378/6791/files/58683464594.pdf
    • https://cdn.shopify.com/s/files/1/0431/6643/3435/files/tikureninedon.pdf
    • https://cdn.shopify.com/s/files/1/0434/2556/2785/files/biodegradable_plastic_from_corn_starch.pdf
    • https://cdn.shopify.com/s/files/1/0438/8611/7032/files/ankush_songs_free.pdf
    • https://cdn.shopify.com/s/files/1/0437/3617/0657/files/62183232982.pdf
    • https://cdn.shopify.com/s/files/1/0430/9201/7305/files/pumokimofigajupov.pdf
    • https://cdn.shopify.com/s/files/1/0431/4460/9943/files/vomiladimifoburon.pdf
    • https://cdn.shopify.com/s/files/1/0438/3096/8480/files/67253629920.pdf
    • https://cdn.shopify.com/s/files/1/0437/0461/5066/files/wopuwodov.pdf
    • https://cdn.shopify.com/s/files/1/0430/7061/9801/files/lumidenalatoxuko.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007526.bin
e29f8904156d250f12f6c2b56f6a7cec0e13d20d80a06b42d2a75ae184e37d80		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7526 5176 bytes
font_01_sfnt_off000086c6.bin
952e1ddf6ab181e05a51570d940bb8cf4a8a411d480bd8338946d0c96d3d54d9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x86C6 10216 bytes
font_02_sfnt_off0000a9b8.bin
0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA9B8 4324 bytes

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