Malicious PDF — malware analysis report

Static analysis result for SHA-256 db1669a83ff61ef2…

MALICIOUS

PDF

44.9 KB Authoring application: LibreOffice Draw
MD5: 962c134c4d0b7e4c1d82f675d00cd4fe SHA-1: 6c287409d20e5b16ebe754bf0e0c92c1a48ded8b SHA-256: db1669a83ff61ef2f0b3d159e5bc77b6c40815a77936932761d71465710b2641
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of embedded links to external PDF files hosted on various domains. This behavior is indicative of a link farm designed to direct users to potentially malicious content, such as phishing pages or malware download sites. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or traffic redirection motive.

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://amberbeuthien.com/uploads/1/3/0/8/130814066/netilafab-vidakadud-pumudifulu-fevinazerosaru.pdf
    • http://werbintrucking.com/uploads/1/3/0/8/130873802/rotoso-bajezagikak-mewepop.pdf
    • http://surgicalinfectionprevention.com/uploads/1/3/0/3/130379611/korexe.pdf
    • http://sarpropmain.services/uploads/1/3/0/5/130590592/3468649.pdf
    • http://petrapreschool.net/uploads/1/3/0/4/130477492/0708804a6c99.pdf
    • http://douglasmolly.com/uploads/1/3/0/7/130775154/036446c453d93d.pdf
    • http://passionhomecare.net/uploads/1/3/0/7/130740205/577530.pdf
    • http://www.howiholistic.com/uploads/1/3/0/7/130739192/383185e7.pdf
    • http://www.burnoutfestival.be/uploads/1/3/0/9/130970016/310461bf4d23.pdf
    • http://exclusivetraveldestinations.com/uploads/1/3/0/9/130969366/e404e.pdf
    • http://heritagetreeservice.com/uploads/1/3/0/8/130814976/venivisazaditatezi.pdf
    • http://nolimitslearning.net/uploads/1/3/0/5/130551611/pisawarob.pdf
    • http://babenow.com/uploads/1/3/0/6/130603989/wutiwagudiw_geturasu_kipavikiwopul.pdf
    • http://www.kiewc.com/uploads/1/3/0/7/130776026/384e853.pdf
    • http://justformesolutions.com/uploads/1/3/0/5/130589316/1539188.pdf
    • http://sfifp.org/uploads/1/3/0/7/130776757/087346c41c042.pdf
    • http://sensiblesourcing.com/uploads/1/3/0/7/130776676/tedaxofal_gamuw.pdf
    • http://puppyoncamera.com/uploads/1/3/0/6/130621484/c439ac8ccedf97e.pdf
    • http://www.lightup-mag.tokyo/uploads/1/3/0/5/130590482/aba02b0.pdf
    • http://carrotmeetscookie.com/uploads/1/3/0/7/130776344/8013300.pdf
    • http://host14.carmichaelnl.com/uploads/1/3/0/5/130590432/130590432.html#english+to+hindi+dictionary+with+pronunciation+software+free+download
    • http://nolimitslearning.net/uploads/1/3/

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000338a.bin
d80f3d2cca52603524a074d611e27e3cb762a037ced4da2fd2b64e833ef7590e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x338A 9348 bytes
font_01_sfnt_off00004f53.bin
67b33f5d86556c9288af0cb2a8ac2fc118346170db09c109b31d3935f8891922		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4F53 8076 bytes

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