Malicious PDF — malware analysis report

Static analysis result for SHA-256 dd2a6abd44f1176f…

MALICIOUS

PDF

35.1 KB Created: 2020-08-27 16:24:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4769f2b77510f516403ceb26cdbfc9eb SHA-1: ba401e86610c59f4182b9af848397cd82cedcd2d SHA-256: dd2a6abd44f1176f88c66a81c7b8252d384c8ee125e8a1c217b9a5219c4f0dcc
120 Risk Score

Malware Insights

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

The PDF file contains a mass of external links, masquerading as a marketing book. One of these links, 'https://ttraff.cc/pify?keyword=fundamentos+de+marketing+philip+kotler+6+edicion+pdf', is identified as a malicious redirector. The document body, though heavily corrupted, contains text related to marketing and the PDF creation tool, suggesting a lure to entice users to click the malicious link.

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=fundamentos+de+marketing+philip+kotler+6+edicion+pdf
    • http://divep.peterehrensberger.com/uploads/1/3/0/8/130873982/604e67021d6209.pdf
    • http://files.gianthuntersfishingholidays.com/uploads/1/3/1/4/131452836/wasasagaj-lumozulepupu.pdf
    • http://luxozesam.sjncomics.com/uploads/1/3/0/7/130776445/timejel_dexogem_zarabu_nolegaw.pdf
    • http://fimazo.internationalunicornassociation.com/uploads/1/3/0/7/130775350/6768742.pdf
    • http://imgfil.com/1bfljw
    • https://cdn.shopify.com/s/files/1/0428/5143/4659/files/lier_plusieurs_ensemble.pdf
    • https://cdn.shopify.com/s/files/1/0432/1899/3320/files/zevokojusowenemo.pdf
    • https://cdn.shopify.com/s/files/1/0436/0758/9027/files/44569223399.pdf
    • https://cdn.shopify.com/s/files/1/0431/1348/0343/files/silegiwatoter.pdf
    • https://cdn.shopify.com/s/files/1/0431/3595/9191/files/87298125509.pdf
    • https://cdn.shopify.com/s/files/1/0431/2832/4257/files/naming_acids_worksheet_with_answers.pdf
    • https://cdn.shopify.com/s/files/1/0434/4017/7308/files/simijawaxib.pdf
    • https://cdn.shopify.com/s/files/1/0428/9747/3699/files/gibovof.pdf
    • https://cdn.shopify.com/s/files/1/0436/5893/6473/files/android_recyclerview_divider_line.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_off000048e5.bin
c4d5f701f53e706c6c5346da8b7d8a376851b3138189a5c666acc0ec3949cb34		 pdf-font-stream PDF embedded font (sfnt) at offset 0x48E5 5740 bytes
font_01_sfnt_off00005c41.bin
b1dc67803673d74aa3a163fc87038902f2cb34d72568454916b06514a53b4707		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5C41 10260 bytes

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