Malicious PDF — malware analysis report

Static analysis result for SHA-256 35e9145372c8295d…

MALICIOUS

PDF

67.4 KB Created: 2020-07-30 18:57:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3f963434553811293fcf657469a15883 SHA-1: 5319ecc35aa47f2a331c7a9bfb489b5472a5b770 SHA-256: 35e9145372c8295d3aac3a4aaf64fa62343b1cbcadb1eed53cb6104e9c569ded
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many of which point to domains associated with link farms and redirectors. The primary malicious URL identified is ttraff.com, which is known to host malicious redirectors. The document body, though heavily obfuscated, suggests a lure related to "synchronous motor pdf". The presence of numerous external links indicates an attempt to drive traffic to potentially malicious sites.

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=synchronous+motor+pdf
    • http://files.connectingcasualstops.com/uploads/1/3/1/0/131070526/f6546a1e7b.pdf
    • http://files.villageinitiativeinc.com/uploads/1/3/1/3/131384256/sijivubavumexed.pdf
    • http://files.immortalizedimage.com/uploads/1/3/2/6/132681201/wozibararoga-wegusuvatefi.pdf
    • https://cdn.shopify.com/s/files/1/0430/6649/1041/files/mitabujagokojatupigekedan.pdf
    • https://cdn.shopify.com/s/files/1/0429/3197/8403/files/66390314016.pdf
    • https://cdn.shopify.com/s/files/1/0438/0937/4365/files/zidozegitatotif.pdf
    • https://cdn.shopify.com/s/files/1/0434/4017/7314/files/merukezokixeterezu.pdf
    • https://cdn.shopify.com/s/files/1/0434/1481/4885/files/wobenukeg.pdf
    • https://cdn.shopify.com/s/files/1/0433/4089/0262/files/lisezewi.pdf
    • https://cdn.shopify.com/s/files/1/0433/4967/2091/files/luvifujogisudemozidagare.pdf
    • https://cdn.shopify.com/s/files/1/0431/0623/8613/files/xisozuvopixituzemereluji.pdf
    • https://cdn.shopify.com/s/files/1/0435/5883/0229/files/nozisopogakosedot.pdf
    • https://cdn.shopify.com/s/files/1/0432/9802/9733/files/fatidi.pdf
    • https://cdn.shopify.com/s/files/1/0431/5627/5360/files/26928454977.pdf
    • https://cdn.shopify.com/s/files/1/0431/7744/3483/files/pogexiwirurowemavigo.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_off0000ad45.bin
b40c4c8ceaebc709685eeba5d156bc44c6cc951dee765e00f5b2f4520632264a		 pdf-font-stream PDF embedded font (sfnt) at offset 0xAD45 5076 bytes
font_01_sfnt_off0000be48.bin
1a14238d1a5bd52cb6a4497b89b042eb55ded313a04781fe4768ab8ef01e5eb6		 pdf-font-stream PDF embedded font (sfnt) at offset 0xBE48 14360 bytes
font_02_sfnt_off0000eb86.bin
52db30b66cfb76898988bc7c6ed152514c301740808ab95bec9c68e49df23550		 pdf-font-stream PDF embedded font (sfnt) at offset 0xEB86 16036 bytes

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