Malicious PDF — malware analysis report

Static analysis result for SHA-256 532be86f0d0a75ae…

MALICIOUS

PDF

42.8 KB Created: 2020-08-06 12:46:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 53c7fb0d76590ea69845f35e8a75b34d SHA-1: 469970524b1af3717eb040a26e7b996c1290767c SHA-256: 532be86f0d0a75aecec320a53687c9ff47189953609f20189c8d19d0250a48c8
120 Risk Score

Malware Insights

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

The PDF file contains a significant number of embedded links, with one identified as a malicious redirector. The heuristic 'PDF_SEO_LINK_FARM' indicates a mass of external PDF links, suggesting a link farm designed to manipulate search engine results or distribute malicious content. The presence of the redirector URL 'https://ttraff.cc/pify?keyword=alexandria+moulding+pdf' strongly suggests an attempt to lead users to harmful destinations.

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=alexandria+moulding+pdf
    • http://files.richmondgardenclub.ca/uploads/1/3/0/9/130969535/7678206.pdf
    • http://leperaj.graftonminorhockeyassociation.com/uploads/1/3/0/8/130874631/bezipib.pdf
    • http://files.ovartisticdrive.com/uploads/1/3/0/7/130739234/9e5b53ab99.pdf
    • http://files.reading2reading.com/uploads/1/3/0/9/130969555/49253ecafb.pdf
    • http://files.nextpromotionalproductsandapparel.com/uploads/1/3/0/9/130969790/gazaromakoxejed.pdf
    • https://cdn.shopify.com/s/files/1/0450/6284/8664/files/c_int_to_char_array.pdf
    • https://cdn.shopify.com/s/files/1/0436/0683/5358/files/legal_services_authorities_act_1987_download.pdf
    • https://cdn.shopify.com/s/files/1/0434/5164/6119/files/kootenai_bridge_academy.pdf
    • https://cdn.shopify.com/s/files/1/0430/6193/6290/files/wosuxomotojatew.pdf
    • https://cdn.shopify.com/s/files/1/0435/7704/9247/files/5738413072.pdf
    • https://cdn.shopify.com/s/files/1/0431/4054/6714/files/mamuv.pdf
    • https://cdn.shopify.com/s/files/1/0433/0727/0297/files/pafuxemor.pdf
    • https://cdn.shopify.com/s/files/1/0435/1416/7450/files/k_michelle_net_worth.pdf
    • https://cdn.shopify.com/s/files/1/0429/8155/6375/files/61569607917.pdf
    • https://cdn.shopify.com/s/files/1/0434/6016/5797/files/zuseni.pdf
    • https://cdn.shopify.com/s/files/1/0431/1325/0965/files/firemikogavorewudenolupu.pdf
    • https://cdn.shopify.com/s/files/1/0434/2431/7596/files/vasijafawezunup.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_off00006855.bin
50b8a1a28e6ee6349968fd0a75ad8a09249473338a6be9917678e3ace70e192c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6855 5240 bytes
font_01_sfnt_off00007a19.bin
068e3b9ee1021039c38d946b0c01723fd265c92c91e5cecca9411d6939356db5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7A19 10936 bytes

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