Malicious PDF — malware analysis report

Static analysis result for SHA-256 32ccc2bb59d2edb9…

MALICIOUS

PDF

33.7 KB Created: 2020-08-06 08:08:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 47de870ff150344b638a36996e646dbd SHA-1: 285859938c16e370411623f274ff643a40185c42 SHA-256: 32ccc2bb59d2edb9c853ff657973f3e0f907629868aaf2b23fc73af7be4a8a77
120 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many of which point to a link farm hosted on cdn.shopify.com. One critical heuristic firing indicates a malicious redirector link to 'ttraff.com'. The document body, though heavily obfuscated, contains the same malicious URL, suggesting the primary intent is to redirect the user to this malicious site. The presence of numerous links and the redirector strongly indicate a phishing or social engineering attack.

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=manos+que+curan+2+barbara+ann+brennan+pdf
    • http://files.akmaritimejobs.com/uploads/1/3/1/4/131453950/6117693.pdf
    • http://files.drumbodentiles.com/uploads/1/3/0/8/130814605/506cb2d85147b52.pdf
    • http://files.filipviool.com/uploads/1/3/1/4/131438330/3624420.pdf
    • https://cdn.shopify.com/s/files/1/0435/2727/4645/files/mokukat.pdf
    • https://cdn.shopify.com/s/files/1/0429/8643/8807/files/flipping_table_emoticons.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/ruwofejimu.pdf
    • https://cdn.shopify.com/s/files/1/0440/6021/3398/files/pidiwopotipunefurijem.pdf
    • https://cdn.shopify.com/s/files/1/0430/9562/1796/files/savakezorovevame.pdf
    • https://cdn.shopify.com/s/files/1/0431/7016/8992/files/crestron_cen_sw_poe_5.pdf
    • https://cdn.shopify.com/s/files/1/0428/5317/1356/files/xanubipizen.pdf
    • https://cdn.shopify.com/s/files/1/0429/1733/1100/files/57520869267.pdf
    • https://cdn.shopify.com/s/files/1/0431/6997/2392/files/vovid.pdf
    • https://cdn.shopify.com/s/files/1/0434/0790/0835/files/15062143232.pdf
    • https://cdn.shopify.com/s/files/1/0430/6976/7831/files/lozurudananowanuvawuf.pdf
    • https://cdn.shopify.com/s/files/1/0429/3948/2275/files/digital_design_and_computer_architecture_solutions.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_off000043a8.bin
1780cb55f47d35a31eda1280871202e1b50ef55fbed307cd409a7fca7802b6f9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x43A8 5520 bytes
font_01_sfnt_off00005682.bin
e4e1328eca422a2dd68ddc13a78ba62eb1b6cad0bfadd406fae9942a3b1f7380		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5682 10036 bytes

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