Malicious PDF — malware analysis report

Static analysis result for SHA-256 fb167967c3d35d61…

MALICIOUS

PDF

41.3 KB Created: 2020-09-22 06:42:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5a1271428fa1f72a27697ce80f093137 SHA-1: be409925284ff7752e8b6b90db15671b593f7c39 SHA-256: fb167967c3d35d6121ea4aa29fa4ac9f0046add50d5789dc2e9cc86510759d57
120 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, with one specifically identified as a malicious redirector. The document body, though heavily obfuscated, contains text suggesting a lure for pirated media, which aligns with the malicious redirector's URL. The presence of a link farm further indicates an attempt to distribute malicious content or traffic.

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.me/wix?keyword=wrong+turn+4+stream+german+kinox
    • http://files.artyfartycanmore.com/uploads/1/3/1/4/131409098/fd373f0.pdf
    • http://luxitox.knottydesignco.com/uploads/1/3/1/0/131071145/gavelibenijilimanuxu.pdf
    • http://pijow.hairandmakeupcompany.co.uk/uploads/1/3/1/0/131069992/mipumukivuduxew.pdf
    • http://tojoj.rxxavv.com/uploads/1/3/0/8/130874218/8617641.pdf
    • http://files.phillipsbanini.org/uploads/1/3/2/6/132681209/takedi.pdf
    • http://files.confessionsofanunderachiever.com/uploads/1/3/2/6/132695566/4578322.pdf
    • http://dumekinok.bostonbollywood.com/uploads/1/3/2/6/132682076/peduforunitakovejuzo.pdf
    • http://meredox.genesistimetobegin.com/uploads/1/3/1/6/131637254/rabipan-rojujofe-nemuvodinapuvu-ludezomi.pdf
    • https://d66bd883-cb83-4a21-9e72-ccf77f4d5dab.filesusr.com/ugd/197ed4_44fbcfae9c4647d4ada40365bd8373a9.pdf?index=true
    • https://b7d2981f-bc5f-4ec8-a70e-458dca47ec55.filesusr.com/ugd/16a96a_46474136a2334c3a9d44f71327cab75b.pdf?index=true
    • https://52bbba84-f4e4-4203-8836-36815f657873.filesusr.com/ugd/89064d_ab40e9ffe57b43e49248e5c2b743132f.pdf?index=true
    • https://197ff77a-ec7b-488c-8113-7a40798f0fde.filesusr.com/ugd/c8a981_247f09de67684cb3944ceff1959e10a4.pdf?index=true
    • https://f4143c4b-3921-4fab-a18e-f0bec567240b.filesusr.com/ugd/7598fa_a22b04361f6d4cd68483272c07eeb979.pdf?index=true
    • https://cdn.shopify.com/s/files/1/0431/7511/6961/files/devejepujijugane.pdf
    • https://cdn.shopify.com/s/files/1/0439/5368/4638/files/tirujutogovunebetipegemut.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_off0000562b.bin
e364c489e9d33da378511b2008071fc8f4dfab8121bd8edc754c989ea0b21e4a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x562B 5208 bytes
font_01_sfnt_off000067e5.bin
94ef2853261139061b2274cbee7123afce27a739f7b40b8ca15cdd2328f8db1f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x67E5 15100 bytes

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