Malicious PDF — malware analysis report

Static analysis result for SHA-256 8e003411156f510c…

MALICIOUS

PDF

46.6 KB Created: 2020-08-27 18:56:53 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4e980fc0f8f791dc25c0e0ffff59cab0 SHA-1: 6e7c2809de6bed4e861c41eacfa0a85d047f853f SHA-256: 8e003411156f510cca09717798634e719ec5b445207eeeb3e0ef33e0d3f79afc
120 Risk Score

Malware Insights

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

The PDF contains a prominent link that redirects to a known malicious URL, disguised as 'Smael watch instructions manual'. This heuristic firing, combined with the presence of a large number of embedded links, indicates a phishing or redirection attempt. The document body, though heavily garbled, contains the lure text and the malicious URL.

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=smael+watch+instructions+manual
    • http://getosa.wekeepyoumotivated.com/uploads/1/3/0/7/130739287/6037708.pdf
    • http://files.diasalinas.org/uploads/1/3/1/4/131438567/busadajuma.pdf
    • http://gunezo.100womenchicago.com/uploads/1/3/1/4/131407263/fd19e66602.pdf
    • http://hen.cloudo.pw/download?file=smael+watch+manual
    • https://cdn.shopify.com/s/files/1/0428/7676/4327/files/xavabebo.pdf
    • https://cdn.shopify.com/s/files/1/0435/9664/4511/files/nsw_anti_discrimination_act_1977.pdf
    • https://cdn.shopify.com/s/files/1/0431/6423/7992/files/vamomatumipa.pdf
    • https://cdn.shopify.com/s/files/1/0439/1701/7243/files/gutubiwiduserufuwaromuzi.pdf
    • https://cdn.shopify.com/s/files/1/0429/6104/3605/files/54510873764.pdf
    • https://cdn.shopify.com/s/files/1/0433/6081/3208/files/vokizok.pdf
    • https://cdn.shopify.com/s/files/1/0441/0481/0648/files/cambridge_english_advanced_practice_tests_book.pdf
    • https://cdn.shopify.com/s/files/1/0430/6357/4682/files/57031456503.pdf
    • https://cdn.shopify.com/s/files/1/0437/7047/8746/files/45393640372.pdf
    • https://cdn.shopify.com/s/files/1/0431/4470/8245/files/gazojonopofivuke.pdf
    • https://cdn.shopify.com/s/files/1/0431/5480/0796/files/cantaloupe_island_alto_sax.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_off00006850.bin
471ccab1d9ed4737f141341cf6c54e72aa8fbadc8b37d32ad9ab129ba09c20fb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6850 5236 bytes
font_01_sfnt_off000079ed.bin
b6bc008f4a9a594806ea043708447457988da58ef31dbf4f91ac9613f014d74c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x79ED 6096 bytes
font_02_sfnt_off0000899d.bin
4e80959444f67387183bb5c1c9e9494ccb129b2ca1ed2a9f837d237e2713558f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x899D 10472 bytes

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