Malicious PDF — malware analysis report

Static analysis result for SHA-256 f30695e226d7ed87…

MALICIOUS

PDF

38.9 KB Created: 2020-07-11 17:17:36 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 65063bcc60268b4c66e3d2d789b069d4 SHA-1: cc3e76a2eb88e5e3e40c73cf7e84b5addeb8ae06 SHA-256: f30695e226d7ed87967c6629a1f29b6dd1463c23617841ecbbbf0aead0d74db4
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a large number of embedded links that point to various external PDF files, many of which appear to be SEO-optimized. One of the primary links redirects to `ttraff.com`, a known malicious redirector. This suggests the document is part of a link farm or SEO poisoning campaign designed to drive traffic to malicious sites. No scripts were extracted from this sample.

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.com/wb?keyword=perfect%20one%20direction%20lyrics%20pdf
    • http://files.makeupbybb.com/uploads/1/3/1/3/131381712/zinomezumajiwet_xamaminiwoxesus_radan_gekero.pdf
    • http://files.authorkimfox.com/uploads/1/3/1/3/131379612/kemunafejebos_furugamoros_vagububike_wivosoruda.pdf
    • http://files.kickstart-hr.com/uploads/1/3/1/3/131379049/fizisirabugokozorevo.pdf
    • http://files.seriousplayworks.net/uploads/1/3/0/9/130969895/benikibose.pdf
    • http://files.concretecontractoromaha.com/uploads/1/3/0/7/130776603/8878222.pdf
    • http://files.milanitroutcottages.com/uploads/1/3/0/7/130775510/kewep-senuziwumozox-dobepat-miduguninewi.pdf
    • http://files.lightningridgerealestate.com.au/uploads/1/3/2/8/132815961/tuwor.pdf
    • http://files.musicianspathtofi.com/uploads/1/3/0/7/130740124/kamosomazinemuruwom.pdf
    • http://files.edgeservicesllc.com/uploads/1/3/2/7/132712072/4935833.pdf
    • http://files.iowaaces360.org/uploads/1/3/1/4/131453855/6107466.pdf
    • https://bemigikub.files.wordpress.com/2020/06/rexoduragira.pdf
    • https://kiwuzuk.files.wordpress.com/2020/06/mezepiwilesoralalup.pdf
    • https://nokejujuj.files.wordpress.com/2020/07/sapusidekapavazopuruwifi.pdf
    • https://cdn.shopify.com/s/files/1/0431/6522/1028/files/vikikafegefezevixes.pdf
    • https://cdn.shopify.com/s/files/1/0430/6819/4978/files/vuzix.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/71299233386.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/fixasitisajixumazurezeve.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/65069223210.pdf
    • https://cdn.shopify.com/s/files/1/0431/1502/0448/files/dojabopaj.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/65925238695.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/73792904944.pdf
    • https://cdn.shopify.com/s/files/1/0431/1416/8480/files/56570243124.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/
    • https://cdn.shopify.com/s/files/1/0433/0687/7080

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005b87.bin
a422514999044ba2a80e27f4f44b2df79523dc8a9e987c955b7b6198f90e8d70
pdf-font-stream PDF embedded font (sfnt) at offset 0x5B87 4832 bytes
font_01_sfnt_off00006bff.bin
3f0150970c9d4cb5bc676d2ad2e742df98d4459e3abb34fd98b52eba60213f82
pdf-font-stream PDF embedded font (sfnt) at offset 0x6BFF 9932 bytes