Malicious PDF — malware analysis report

Static analysis result for SHA-256 58139347eb9a9130…

MALICIOUS

PDF

93.0 KB Created: 2020-09-08 06:48:48 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5e475b2f25b64a5020ff62ef16f5b9cb SHA-1: 038616ae596654ba381336b381a32a9fc194b083 SHA-256: 58139347eb9a9130364b48d3f618403535332f24d3cc30ede9bf5f3d49d625be
120 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing indicating it links to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains a URL that is also flagged as malicious. This suggests the primary intent is to redirect the user to a harmful website, likely for phishing or malware distribution.

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=3d+animation+movies+2019
    • https://cdn.shopify.com/s/files/1/0460/3527/1844/files/55043285410.pdf
    • https://cdn.shopify.com/s/files/1/0431/3209/2573/files/ameloblastic_fibroma.pdf
    • https://cdn.shopify.com/s/files/1/0432/0736/0667/files/warugedoriso.pdf
    • https://cdn.shopify.com/s/files/1/0432/4828/7904/files/wiwawekoruroruzowusezidek.pdf
    • https://cdn.shopify.com/s/files/1/0427/6954/7431/files/bomomikivinalubokisamegu.pdf
    • https://static.usrfiles.com/ugd/b8c837_1912008e4c8546aa9b30955685f1136e.pdf
    • https://static.usrfiles.com/ugd/4c7633_61aacd80c2004e5e8c8ac9b962a6f6cb.pdf
    • https://static.usrfiles.com/ugd/704f6c_48866d89e88c4fbcb1ef1bdab5f763e9.pdf
    • https://static.usrfiles.com/ugd/fd3290_0459e00f560d4c4e92a700befad4b40f.pdf
    • https://static.usrfiles.com/ugd/3aee12_191e181a1f17432e80afb77e7341e631.pdf
    • https://static.usrfiles.com/ugd/73f3b0_7f0cfd00a9bf463f89cfca2031e39c55.pdf
    • https://static.usrfiles.com/ugd/359e64_0beef9b61da84869b0c2446633e5eb4a.pdf
    • https://static.usrfiles.com/ugd/ab63e3_3481171a9dd048d38e3667beb03fd981.pdf
    • https://static.usrfiles.com/ugd/71fd01_0193c97e0367406d85d3b39366fb6b2b.pdf
    • https://static.usrfiles.com/ugd/89363e_74c6e2ec556749ae8f97c2a775c025df.pdf
    • https://static.usrfiles.com/ugd/b8c837_b6119add9b6548a69bda4b1565afe2f1.pdf
    • https://static.usrfiles.com/ugd/784815_d5694382570d4a149cedee38414faebc.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 5

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_006_off00010651.bin
32965ef2ee1aa2fa9743828df183138ac078e26b7189245bcef861108a9d8b95		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x10651 9680 bytes
font_00_sfnt_off0000b96f.bin
3388365ee66b5a82ebd38807299d7f03c96953f5f278102816bcf6e188bde6ee		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB96F 18408 bytes
font_01_sfnt_off0000f4aa.bin
a44d434f33b4bd5ec3e0c7dc880286c6f758b4326f8e50474505a1a827deaa09		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF4AA 5240 bytes
font_03_sfnt_off0001213e.bin
409ca45a742e295b6d74cac40c4f758f993d2ee4ad9bac7428c39ef6f055d76d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1213E 18160 bytes
font_04_sfnt_off00015799.bin
a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x15799 4324 bytes

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