Malicious PDF — malware analysis report

Static analysis result for SHA-256 c1f746d1f9513596…

MALICIOUS

PDF

45.4 KB Created: 2020-09-21 17:54:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6424f1a7d2711dc2960217711f0e49f2 SHA-1: de55b0c0378e8ef28331ce98ae22c6466492b58b SHA-256: c1f746d1f95135960432905cc034c3fa17bb46c805cf9ddcdb2a710bf090df1e
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many of which point to SEO-optimized PDF hosting sites. One prominent link, 'https://ttraff.me/wix?keyword=read+the+red+queen+online+free+pdf', is identified as a malicious redirector. This suggests the document is part of an SEO spam campaign designed to drive traffic to malicious or phishing 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.me/wix?keyword=read+the+red+queen+online+free+pdf
    • http://files.exclusiveelementsinc.com/uploads/1/3/2/6/132681409/kepog.pdf
    • http://files.astablaksiberians.com/uploads/1/3/1/3/131380467/febulegefobubizimo.pdf
    • http://files.carolchaffinlimbachart.com/uploads/1/3/0/7/130776228/pumokulubop.pdf
    • http://mefadub.dominicanhairalliance.com/uploads/1/3/1/4/131453133/9310481.pdf
    • http://rakoj.adelaide-cancer-massage.com/uploads/1/3/0/7/130775455/9589728.pdf
    • http://files.jaywholesale.com/uploads/1/3/0/9/130969306/3363791.pdf
    • http://files.pinnaclephysics.com/uploads/1/3/2/3/132302993/kebesidinofa-dobirovuz-mozoxorenajivuv.pdf
    • http://pojinafor.goodfoodgroup.org/uploads/1/3/0/7/130776661/3275506.pdf
    • http://files.toc-llc.com/uploads/1/3/0/7/130775665/138e8f611a5d.pdf
    • http://lotukeri.johnrowlandsongs.com/uploads/1/3/1/1/131163943/zexaxi.pdf
    • http://files.thefancyhedgehog.com/uploads/1/3/1/3/131380966/d25debbe42e4463.pdf
    • http://files.carolinasiscebs.com/uploads/1/3/2/8/132815787/8fb3f38782.pdf
    • http://maliw.filabrasileiroassn.com/uploads/1/3/1/8/131856214/pigesiri_dubugunoxev.pdf
    • https://0df8c825-af86-4b17-a3bf-c919e9712aab.filesusr.com/ugd/fd30ac_3b0c3d166738498bbe4f6e6ba04a3b06.pdf?index=true
    • https://48cf9978-5646-4565-adce-5779ae0e4aec.filesusr.com/ugd/9cfd0a_cbb12c0a7eeb4799b649b1379aaa02f2.pdf?index=true
    • https://121dfc2b-0400-4791-a3e3-efd34f14fca6.filesusr.com/ugd/b88e3d_288c840096cf406d85bff1f5fd8d05dd.pdf?index=true
    • https://9334bc97-9bfd-4f25-bb76-763793c5a5c6.filesusr.com/ugd/cdfdba_6becf765f8f24a99819a6a49c9c80adb.pdf?index=true
    • https://a5e7b7b4-c481-496d-9eb3-642e61ca0bfe.filesusr.com/ugd/432b07_43c87412db7d48879e1eb19afff03835.pdf?index=true
    • 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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000066ab.bin
66ecc28f5af84bc3950991439c5cb432cff334f166b5cbd684391be79bb67a33
pdf-font-stream PDF embedded font (sfnt) at offset 0x66AB 4964 bytes
font_01_sfnt_off0000777e.bin
1c31398c1d8eec84df83e9699e43d3029239ea06cb60583281f6235eacc1a5c9
pdf-font-stream PDF embedded font (sfnt) at offset 0x777E 10180 bytes
font_02_sfnt_off00009a45.bin
ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3
pdf-font-stream PDF embedded font (sfnt) at offset 0x9A45 4324 bytes