Malicious PDF — malware analysis report

Static analysis result for SHA-256 eb1904c427601ff4…

MALICIOUS

PDF

62.1 KB Authoring application: GIMP
MD5: 7c87b2dd5818b039b75dfcf73e1c43f3 SHA-1: d652a92818706f595094b006577d7fa717435a1d SHA-256: eb1904c427601ff4b532b9cc7e45d1b5a8addd7a4ee0e8932d226e3573f6cc55
120 Risk Score

Malware Insights

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

The PDF file exhibits a critical heuristic firing for a PDF_SEO_LINK_FARM, indicating it contains a large number of external links. The ClamAV detection as Pdf.Phishing.TtraffRobotInstall-7605656-0 further supports a malicious classification. The embedded URLs are likely part of a phishing campaign or a mechanism to distribute further malware. 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.
  • 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://susansellsmemphis.com/uploads/1/3/0/7/130739938/2fd0a037cd0.pdf
    • http://amor-mundi.org/uploads/1/3/0/6/130639409/guxotikekubeb_rixudanebilida_lepibulazujim.pdf
    • http://knwrzn.com/uploads/1/3/0/6/130639613/6ecc335a03.pdf
    • http://mrsbyars.com/uploads/1/3/0/6/130639803/8e97ba546fdf3b.pdf
    • http://redeemernewton.com/uploads/1/3/0/4/130490609/sofifav_vowonek.pdf
    • http://nutrients.supply/uploads/1/3/0/2/130291556/ecc68580ab.pdf
    • http://flattaxidermy.net/uploads/1/3/0/5/130539935/lasexesuzaxigi-fopawefamutij-binawaxuralow.pdf
    • http://plotforsale.net/uploads/1/3/0/5/130540065/6261828.pdf
    • http://milemeter.net/uploads/1/3/0/2/130272339/salub.pdf
    • http://jer-zu.com/uploads/1/3/0/7/130739573/vamuvetokonifof.pdf
    • http://beckmannmediagroup.com/uploads/1/3/0/6/130621812/gojerevinovinoguwir.pdf
    • http://thephapapp.com/uploads/1/3/0/4/130476076/b13077934a7.pdf
    • http://thewomensdefensenetwork.org/uploads/1/3/0/6/130620601/06436a56.pdf
    • http://gormanmgmt.com/uploads/1/3/0/7/130740537/34e34f5f4a.pdf
    • http://caymanease.org/uploads/1/3/0/8/130813765/nomututika_mivaloluve_kasujiwobujoda.pdf
    • http://www.rooftoplocalhoney.com/uploads/1/3/0/6/130639133/dubuxagofogofat.pdf
    • http://nuobeijinghotel-chinese.devsite-1.com/uploads/1/3/0/6/130620931/130620931.html#echocardiographic+diagnosis+of+congenital+heart+disease

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000153a.bin
d1debe7296a67390ecf2f6ecc80ae11b9c78cd9869081f0eaae0686e10429799		 pdf-font-stream PDF embedded font (sfnt) at offset 0x153A 8608 bytes

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