Malicious PDF — malware analysis report

Static analysis result for SHA-256 9db93979fe2c02b3…

MALICIOUS

PDF

45.6 KB Authoring application: Solid Converter PDF
MD5: 2ca342119f3705812b6b806123e51e7b SHA-1: aff7546e373029b459bd6e47657cde796246e80b SHA-256: 9db93979fe2c02b3f3e2be9cb80e6086c449383716b80ebc290ebdabaff85aa2
130 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, many of which point to other PDF files, indicating a link farm for SEO purposes. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' strongly suggests a phishing or malicious traffic redirection scheme. The presence of a visual download button further supports the lure of downloading additional malicious content.

Heuristics 4

  • 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
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://thefamilyfunband.com/uploads/1/3/0/6/130621210/kovesen-sepufemarox-suvol.pdf
    • http://man-kind.com/uploads/1/3/0/4/130476572/xonezavevadufulivib.pdf
    • http://officehelper.net/uploads/1/3/0/7/130739346/fozalabuzewakixapob.pdf
    • http://vistawaycafe.com/uploads/1/3/0/6/130620857/binig_bemevavusuri.pdf
    • http://skybox.hu/uploads/1/3/0/7/130739773/1296ea.pdf
    • http://k12checkout.com/uploads/1/3/0/6/130604924/a026e0709.pdf
    • http://refreshtoimpress.com/uploads/1/3/0/4/130489350/33495a191ed2775.pdf
    • http://cpanel.highlandlakesquiltguild.org/uploads/1/3/0/7/130775331/2177702.pdf
    • http://fifebookkeepingservices.com/uploads/1/3/0/6/130603818/452e3a446de383c.pdf
    • http://miguelvaldiviezo.com/uploads/1/3/0/8/130874575/95713c32a716b.pdf
    • http://achintconsultinginc.com/uploads/1/3/0/3/130379363/tekojurujila.pdf
    • http://huddin.space/uploads/1/3/0/6/130640020/pivibelejaxanuwew.pdf
    • http://agentrh.com/uploads/1/3/0/7/130776873/taref.pdf
    • http://successfoundations.org/uploads/1/3/0/6/130604521/zagokeledonu.pdf
    • http://lesbontemps2016.com/uploads/1/3/0/2/130271177/5986266.pdf
    • http://www.globalgymadvisor.com/uploads/1/3/0/7/130739479/590650.pdf
    • http://thisgirlsays.com/uploads/1/3/0/5/130546153/8630496.pdf
    • http://pinewoodcabins.com/uploads/1/3/0/5/130543837/kezujadafam.pdf
    • http://wordmage.org/uploads/1/3/0/6/130604251/9b1e6dd2.pdf
    • http://mail.evylareau.com/uploads/1/3/0/6/130621140/130621140.html#deep+learning+neural+networks+design+and+case+studies+pdf+free+download

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005304.bin
8121d3986bf22dc8f36557c4d8a31cab1341cd15b23b127bfb45faf1bf20e344		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5304 8304 bytes

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