Malicious PDF — malware analysis report

Static analysis result for SHA-256 cfc93614a4d8319d…

MALICIOUS

PDF

58.1 KB Created: 2020-03-09 11:28:49 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 9266f28ae08ce733ad3320000efb95a3 SHA-1: 58b834762772c076f8e4140fd8bb76ad820e3b9e SHA-256: cfc93614a4d8319d56ad7539626c57a9b36c9d313be0ecbccc3c7e13b99dd3a3
62 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell T1204.002 Malicious File

The PDF contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various domains, suggesting a link farm or SEO poisoning tactic to distribute malicious content or redirect users. The document body itself is largely unreadable, but the presence of URLs like 'http://55myz.bpmtc.com/uploads/1/3/0/7/130739098/130739098.html#stages+of+grief+in+spanish+pdf' indicates a potential lure. No scripts were extracted from this sample.

Heuristics 3

  • 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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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 http://55myz.bpmtc.com/uploads/1/3/0/7/130739098/130739098.html#stages+of+grief+in+spanish+pdf
    • http://progettocasa.studio/uploads/1/3/0/6/130620547/f08a364a72129.pdf
    • http://www.pospaperhawaii.com/uploads/1/3/0/6/130604528/kuxeju-sagizufakez-najosagatu-burotasoda.pdf
    • http://azqualityremodeling.com/uploads/1/3/0/6/130621335/6082663.pdf
    • http://webdisk.cfrevolution.com/uploads/1/3/0/2/130270980/7420559.pdf
    • http://fascistoctopusblog.com/uploads/1/3/0/2/130271145/selemolamak-vetari-ranipamixewezis.pdf
    • http://www.mbobbart.com/uploads/1/3/0/7/130739368/17ab9e65ce97.pdf
    • http://gaetanodavidaddamo.com/uploads/1/3/0/8/130814731/5882461.pdf
    • http://palmbeachsurfranch.com/uploads/1/3/0/5/130589165/0654f.pdf
    • http://mytorchdata.com/uploads/1/3/0/5/130539654/misejiweju-sonev-jojip-toxafa.pdf
    • http://christianmeditationrookies.com/uploads/1/3/0/4/130475965/zigokomamuze.pdf
    • http://ah1.life/uploads/1/3/0/8/130874010/tusugufivefibutukelu.pdf
    • http://www.harvesttextitlz.com/uploads/1/3/0/4/130483364/4ddf06695a.pdf
    • http://hillcrestacademyfreeschool.com/uploads/1/3/0/4/130477192/mibuwikumalope.pdf
    • http://tradradioireland.com/uploads/1/3/0/7/130740175/5798187.pdf
    • http://dahvik.com/uploads/1/3/0/7/130739528/df61b52e.pdf
    • http://dibbledabblemedia.com/uploads/1/3/0/2/130274028/266439.pdf
    • http://www.chaososrs.com/uploads/1/3/0/4/130483918/ravolubozuvujozu.pdf
    • http://bidfights.com/uploads/1/3/0/6/130604938/2400125.pdf
    • http://mail.wendyturnerart.com/uploads/1/3/0/5/130541356/36d04cdaf8a32.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_off0000868c.bin
d91683bda3a2cb420feebbabcaebccf1e02c9f43b205abe76c335ec8b950a97b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x868C 10328 bytes
font_01_sfnt_off0000a94a.bin
b64d6741cfec0aad0865d017b05e0e1fb7b4a6100249b802a3843c97d8d05181		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA94A 4552 bytes
font_02_sfnt_off0000b7db.bin
83459e82cebe561b9e65dda6a09953c9e35f75e5df0fa62a624e1833cc5b8086		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB7DB 1708 bytes
font_03_sfnt_off0000c042.bin
ff1df49bd8d3d9b5afa455194efb1aa37027ce0918a16f3888c56904caa4a7b5		 pdf-font-stream PDF embedded font (sfnt) at offset 0xC042 17156 bytes

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