Malicious PDF — malware analysis report

Static analysis result for SHA-256 49306e494e3d5cc5…

MALICIOUS

PDF

42.5 KB Created: 2020-09-18 08:43:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 87e7826ebb6effb5cc70a70074d02f5d SHA-1: 41390f7f798e2c28705a6596922058ccf77d80a9 SHA-256: 49306e494e3d5cc515c158af5b002515eec1d2b885e804729347e6c7d2ac7ccb
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains numerous links to external websites, identified as a link farm and a malicious redirector. The primary link, 'https://ttraff.me/wix?keyword=fundamentals+of+abnormal+psychology+9th+edition+pdf+free', suggests a lure to download a specific PDF, likely leading to malware or phishing. The presence of a link farm indicates a broader SEO spam campaign. 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.me/wix?keyword=fundamentals+of+abnormal+psychology+9th+edition+pdf+free
    • http://dafom.maileandrus-price.com/uploads/1/3/1/4/131453046/bb5971ce3bce.pdf
    • http://sexolawid.brandonbootleggers.com/uploads/1/3/1/3/131398404/jagasegoliboj.pdf
    • http://files.cprtampabay.com/uploads/1/3/2/6/132682607/8824002.pdf
    • http://daxol.americafcunited.com/uploads/1/3/0/7/130739431/kularugog.pdf
    • http://files.elementssalononline.com/uploads/1/3/0/7/130738836/puwifami.pdf
    • http://files.mindthestep.nl/uploads/1/3/1/3/131378838/5c3cdb167e.pdf
    • http://jukebud.redeemernewton.com/uploads/1/3/2/6/132683008/paginowevugalap.pdf
    • http://files.jmfenterprisesllc.com/uploads/1/3/0/8/130874254/gebed.pdf
    • https://2950de59-08db-4e2c-92a3-1dec10e77103.filesusr.com/ugd/359e64_b36fda4bc7e14b268af5ea9163dc19d7.pdf?index=true
    • https://cdn.shopify.com/s/files/1/0481/7233/5255/files/32406042234.pdf
    • https://cdn.shopify.com/s/files/1/0439/8202/8958/files/walifanem.pdf
    • https://cdn.shopify.com/s/files/1/0434/7274/8709/files/72219820646.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_off00005795.bin
b47ba476ed10d797b21607befab36fbf238fb6d0fb668d461b6273e413410683		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5795 5804 bytes
font_01_sfnt_off00006b27.bin
935eceeec612f131d99e861315ee67f2cb29fe34650ceba3a748037279ce1852		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6B27 10492 bytes
font_02_sfnt_off00008ee2.bin
1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8EE2 4324 bytes

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