Malicious PDF — malware analysis report

Static analysis result for SHA-256 7660e8d1030733ae…

MALICIOUS

PDF

33.8 KB Created: 2020-08-30 18:30:14 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3ba88049e85b5855b9e0652786ef5070 SHA-1: c4a8c903c37e4a337432103be55ee84ae5316e16 SHA-256: 7660e8d1030733ae0206ab939cc2a8d28602c7635296e559a4b4fc2d41749dea
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many of which point to a link farm. One critical heuristic identified a link to a known malicious redirector at https://ttraff.cc/wix?keyword=animales+de+foamy+con+plantillas+para+recortar. The document body, though partially garbled, also contains this URL, suggesting the primary intent is to redirect the user to malicious infrastructure.

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/wix?keyword=animales+de+foamy+con+plantillas+para+recortar
    • https://cdn.shopify.com/s/files/1/0430/3778/6266/files/14010558927.pdf
    • https://cdn.shopify.com/s/files/1/0437/0428/7383/files/fizodosux.pdf
    • https://cdn.shopify.com/s/files/1/0434/0911/3240/files/beburig.pdf
    • https://cdn.shopify.com/s/files/1/0435/6525/2769/files/media_player_lite_apk.pdf
    • https://cdn.shopify.com/s/files/1/0461/7951/6569/files/format_factory_apk_windows.pdf
    • https://cdn.shopify.com/s/files/1/0432/2246/6720/files/59158336565.pdf
    • https://static.usrfiles.com/ugd/b8c837_7d3cd954f1da4bada83340c99be8475f.pdf
    • https://static.usrfiles.com/ugd/a107db_5d8b7e097b6e4563b756abfc38ec0349.pdf
    • https://static.usrfiles.com/ugd/ca32a8_e32aa2ee1de94808acdbd2df91ab568d.pdf
    • https://static.usrfiles.com/ugd/3dd68e_cbd1941b0551400e839a7c0077ba7a14.pdf
    • https://static.usrfiles.com/ugd/b8c837_7a07edf9d9f64c18bb50311f113be05c.pdf
    • https://static.usrfiles.com/ugd/d1d005_f083ec6281f34c9fbd15a5a010ad6151.pdf
    • https://static.usrfiles.com/ugd/9219f8_3ee564d5c078402fb16e56b5ba94e3fd.pdf
    • https://static.usrfiles.com/ugd/5926b4_95e346640fe440ebbafd54de90d19030.pdf
    • https://static.usrfiles.com/ugd/b8c837_57c07115ce174b159c08bbfa352d78ee.pdf
    • https://static.usrfiles.com/ugd/078c79_85007d1f40864603a552df19c3544656.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_off0000473f.bin
ae1addcff72d84d8f5a7c57f1d65cb0cd7c8fcaa368daf6f6d5ce552faa39a12		 pdf-font-stream PDF embedded font (sfnt) at offset 0x473F 5392 bytes
font_01_sfnt_off0000597d.bin
19f47af047e0671c64e57a4d3c539cbcd77be9c3a5ccad9e060b59a3970d7fd1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x597D 9688 bytes

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