Malicious PDF — malware analysis report

Static analysis result for SHA-256 ec47fca7bab63c7e…

MALICIOUS

PDF

63.3 KB Created: 2020-08-01 20:14:35 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 1bff62603699f8e35227869f064b39a8 SHA-1: 61c458390f585bddf9a09424122430cbef5dba52 SHA-256: ec47fca7bab63c7e4d40e551a0655d1e4f61eb6e7ce87403310c7f6605d0b231
128 Risk Score

Malware Insights

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

The PDF contains multiple embedded links, with a critical heuristic firing for a malicious redirector. The primary malicious URL identified is 'https://ttraff.com/pify?keyword=apachii+sky+hair'. Another heuristic indicates a PDF link farm, with the first URL being 'https://cdn.shopify.com/s/files/1/0428/2174/6847/files/lurotewitulifalareru.pdf'. The document body contains garbled text but includes the malicious redirector URL, suggesting a lure to initiate a download or redirect.

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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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.com/pify?keyword=apachii+sky+hair
    • http://files.torrentengine18.org/uploads/1/3/1/0/131071166/dowiz-netizasunatesu-vopevegixir-tezipenom.pdf
    • http://files.thriveflinthills.com/uploads/1/3/1/3/131381363/b1b2ba2.pdf
    • http://files.glenforestpsychological.com/uploads/1/3/2/8/132814342/9968942.pdf
    • http://files.travelertanner.com/uploads/1/3/0/7/130775675/sizen.pdf
    • http://files.emmamccabe.com/uploads/1/3/1/4/131453605/531c7895d2ee.pdf
    • https://cdn.shopify.com/s/files/1/0428/2174/6847/files/lurotewitulifalareru.pdf
    • https://cdn.shopify.com/s/files/1/0432/6758/8252/files/60588935357.pdf
    • https://cdn.shopify.com/s/files/1/0430/0003/7527/files/27171269650.pdf
    • https://cdn.shopify.com/s/files/1/0429/8027/8426/files/35575294728.pdf
    • https://cdn.shopify.com/s/files/1/0433/0710/6462/files/97019588223.pdf
    • https://cdn.shopify.com/s/files/1/0432/0965/4436/files/31640298225.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/57917948996.pdf
    • https://cdn.shopify.com/s/files/1/0433/7346/1660/files/78548867473.pdf
    • https://cdn.shopify.com/s/files/1/0434/0236/3045/files/mogolo.pdf
    • https://cdn.shopify.com/s/files/1/0431/0879/4530/files/78527239187.pdf
    • https://cdn.shopify.com/s/files/1/0432/4012/8671/files/fokijitoxeluzik.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00008ba1.bin
79249a6b300cb977415abd8a7309cf6a1e899499f74902b41949e265e74c3b66		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8BA1 4520 bytes
font_01_sfnt_off00009af5.bin
e97b5c9fff8637ae9102ec14a938115dff29cb7059f4630d2659f69e5140599c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9AF5 15116 bytes
font_02_sfnt_off0000ca60.bin
a95eff378c135b1ab40d10b3cd1da1bafbc07f86005f57898d079c90d712ddbd		 pdf-font-stream PDF embedded font (sfnt) at offset 0xCA60 16204 bytes
font_03_sfnt_off0000df8d.bin
ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3		 pdf-font-stream PDF embedded font (sfnt) at offset 0xDF8D 4324 bytes

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