Malicious PDF — malware analysis report

Static analysis result for SHA-256 e47665fc709a2a93…

MALICIOUS

PDF

40.6 KB Created: 2020-07-30 05:59:56 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 83896395a79925d67ebe20a9b96af54c SHA-1: 0db428383cebef0bda0033760ce53f3c8ce75a45 SHA-256: e47665fc709a2a93a1128376df915a8af5fc673e79f35a1bf6a312199667e546
120 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, with one pointing to a known malicious redirector. The document body, though heavily obfuscated, suggests a lure related to a 'handbook draft'. The presence of a link farm heuristic further indicates an attempt to drive traffic to external sites, likely for malicious purposes.

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=aiag+vda+fmea+handbook+draft+pdf
    • http://files.northstarsxc.com/uploads/1/3/1/4/131483279/visexinodevoguvasol.pdf
    • http://files.letterstopauline.com/uploads/1/3/1/4/131437149/549e5a9c5d33ef7.pdf
    • http://files.paintrollersplus.net/uploads/1/3/1/4/131406892/7564200.pdf
    • http://files.paulsfranchiseleague.com/uploads/1/3/1/4/131438249/kabuvoxije_kuvorenuzixuw_raxejusub.pdf
    • https://cdn.shopify.com/s/files/1/0432/2469/4942/files/pomol.pdf
    • https://cdn.shopify.com/s/files/1/0432/7673/0533/files/laneguwabasezurugiw.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/5866669006.pdf
    • https://cdn.shopify.com/s/files/1/0430/6970/2306/files/sujekozir.pdf
    • https://cdn.shopify.com/s/files/1/0433/9322/0758/files/birupitasujibogawefa.pdf
    • https://cdn.shopify.com/s/files/1/0438/0976/7584/files/44972943284.pdf
    • https://cdn.shopify.com/s/files/1/0439/0918/5691/files/32037936465.pdf
    • https://cdn.shopify.com/s/files/1/0436/9956/8795/files/80109821582.pdf
    • https://cdn.shopify.com/s/files/1/0435/3110/8504/files/wabikaxalajale.pdf
    • https://cdn.shopify.com/s/files/1/0427/7954/1671/files/1388266060.pdf
    • https://cdn.shopify.com/s/files/1/0434/0629/5201/files/51113168339.pdf
    • https://cdn.shopify.com/s/files/1/0438/8909/8907/files/zezurodikabukitenap.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/
    • https://cdn.shopify.com/s/files/1/0430/69

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000061e2.bin
fdd89db9ae4889a89d41f42abe8eced9c3f553151cf7179b169d416f3f0ff29d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x61E2 5284 bytes
font_01_sfnt_off000073ac.bin
be0d92cb164949aad1fdc3f9dc3eec0120011da875b00a694a5822cb5d8c5a7f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x73AC 9744 bytes

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