Malicious PDF — malware analysis report

Static analysis result for SHA-256 369fb4235e0a427e…

MALICIOUS

PDF

42.1 KB Created: 2020-08-10 03:45:31 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: a82515038f1704abb0ec6533fbeb9d80 SHA-1: 22e36fe067fe1f5924b3dfc248f88b73490eeed4 SHA-256: 369fb4235e0a427e18316252f6bae494bcb5372640f55c34ff46bef9a510b0b4
160 Risk Score

Malware Insights

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

The PDF contains multiple embedded links, with one pointing to a known malicious redirector. The document body and heuristics indicate a lure for an advance-fee scam, likely aiming to trick users into downloading further malicious content or providing sensitive information. The presence of numerous links, many hosted on Shopify, suggests a link farm designed to improve search engine ranking for malicious content.

Heuristics 4

  • 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.
  • Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LURE
    Document contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
  • 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=adobe+pdf+online+download
    • http://files.celebrationstem.com/uploads/1/3/0/8/130814716/7032152.pdf
    • http://files.golffordreams.com/uploads/1/3/2/8/132815008/e9d722cf03b5030.pdf
    • http://files.deskmakers.store/uploads/1/3/0/7/130738924/1b912ddfb4.pdf
    • http://patog.grappletv.com/uploads/1/3/1/4/131453870/b97da.pdf
    • http://files.houseofpainters.com/uploads/1/3/1/4/131407695/wodunasolixunat.pdf
    • https://cdn.shopify.com/s/files/1/0435/2249/0532/files/how_to_enable_cheats_kotor_2.pdf
    • https://cdn.shopify.com/s/files/1/0438/3732/5472/files/64356986238.pdf
    • https://cdn.shopify.com/s/files/1/0430/8575/8628/files/32968502740.pdf
    • https://cdn.shopify.com/s/files/1/0431/5214/6587/files/30944434393.pdf
    • https://cdn.shopify.com/s/files/1/0431/5483/3557/files/38161021345.pdf
    • https://cdn.shopify.com/s/files/1/0440/7758/0453/files/it_ebooks_free_download.pdf
    • https://cdn.shopify.com/s/files/1/0434/0485/3406/files/bejexelomorobokuw.pdf
    • https://cdn.shopify.com/s/files/1/0430/6763/7917/files/4122074471.pdf
    • https://cdn.shopify.com/s/files/1/0431/8930/5501/files/accouplement_mcanique_elastique.pdf
    • https://cdn.shopify.com/s/files/1/0431/7259/3832/files/jamal_badawi_books.pdf
    • https://cdn.shopify.com/s/files/1/0432/5107/3174/files/90559745863.pdf
    • https://cdn.shopify.com/s/files/1/0429/4243/1395/files/21832513692.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_off00006811.bin
d924acb901caf7e1e9cdc2d63a0099eeb5f11337eff6a75cdb2a3367a5dac392
pdf-font-stream PDF embedded font (sfnt) at offset 0x6811 4980 bytes
font_01_sfnt_off00007928.bin
f4d895d1e9d09296d5fbbad79759639db36560cee5b661a3abc0b0e6d07eeedd
pdf-font-stream PDF embedded font (sfnt) at offset 0x7928 10136 bytes