Malicious PDF — malware analysis report

Static analysis result for SHA-256 d749c0c8623b8061…

MALICIOUS

PDF

34.5 KB Authoring application: ImageMagick
MD5: 4148e40c740c59488808e7fd2b0f8740 SHA-1: c14000c0b4dead708d047c35ebb0acdb49f07c64 SHA-256: d749c0c8623b806137ca772792fac2d0b9c75fdd9ebbada9003d3ba279c32d05
120 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links pointing to external PDF files hosted on various domains. This technique is commonly used for phishing or to redirect users to sites hosting further malicious content. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or traffic redirection intent.

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.
  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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://swctoa.com/uploads/1/3/0/7/130738885/fifima-wovajilenozut-piguvunegafize.pdf
    • http://oxe1.com/uploads/1/3/0/6/130621575/5221672.pdf
    • http://pitchless.net/uploads/1/3/0/6/130621457/gepoxowilojakifajak.pdf
    • http://gaycbrinson.com/uploads/1/3/0/6/130621261/0a81825b.pdf
    • http://www.commercialcompliance.com/uploads/1/3/0/8/130813860/fimun-fabofatunagitu-luzovuriz-bixasagosuzix.pdf
    • http://cosy-home.org/uploads/1/3/0/6/130605259/7e5032ddb9b8044.pdf
    • http://northwayds.com/uploads/1/3/0/4/130483318/9610428.pdf
    • http://trustedcannabiscfo.com/uploads/1/3/0/7/130738914/vezukivew-poxivapiga.pdf
    • http://benjaminsmithfineart.com/uploads/1/3/0/6/130639997/3076be4802d.pdf
    • http://mrsjdodds.com/uploads/1/3/0/6/130604737/sizivimalukofikoku.pdf
    • http://topcambodia.com/uploads/1/3/0/3/130379174/zavut_punowe_fafaxurawakon_sofomelopux.pdf
    • http://brownsugarbabyllc.com/uploads/1/3/0/6/130621717/lomidi_turizogo_berisusepa_fewifu.pdf
    • http://naildbykk.com/uploads/1/3/0/7/130775640/a49563d1c9a233.pdf
    • http://cateringservicessc.com/uploads/1/3/0/7/130775012/2085441.pdf
    • http://webmail.gammaxiques.org/uploads/1/3/0/6/130621063/130621063.html#solving+right+triangles+worksheet+find+the+side+indicated+by+a+variable

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002d89.bin
9e3fc5876e5ecf7ae7f5793c12daa910c15de4519904941086e922595e9d1bad
pdf-font-stream PDF embedded font (sfnt) at offset 0x2D89 7632 bytes