Malicious PDF — malware analysis report

Static analysis result for SHA-256 ae60d1550f0b94db…

MALICIOUS

PDF

40.4 KB Authoring application: ImageMagick
MD5: 7be7670875cd4d130a2ceb713874758b SHA-1: a53202f1849628f9ddcdd940c4e2516c22bcf916 SHA-256: ae60d1550f0b94db18f16d079c99481a0eb9cff8d3910e55a51727e7677994f9
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 URLs pointing to other PDF documents. This behavior is indicative of a link farm or a phishing campaign designed to redirect users to malicious content. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports the malicious classification. 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://100plus310plus10.com/uploads/1/3/0/4/130435638/dezutesujeweliwano.pdf
    • http://risearise.com/uploads/1/3/0/2/130273735/1259905.pdf
    • http://almet-centr.ru/uploads/2020/01/28/19880.pdf
    • http://oldsouthrentalsllc.com/uploads/1/3/0/6/130621219/mimabololereku_kasalave_lopelozipixu.pdf
    • http://mohamoudegal.com/uploads/1/3/0/5/130589097/9639675.pdf
    • http://mysmileprogram.com/uploads/1/3/0/7/130740068/xezalat.pdf
    • http://thendralgardens.com/uploads/1/3/0/5/130541817/886cc5ab3.pdf
    • http://mytranstrainer.com/uploads/1/3/0/5/130539095/biwebawinosaruwukevi.pdf
    • http://northeasternohiomasonry.com/uploads/1/3/0/6/130639678/gabepatum.pdf
    • http://bobslocker.com/uploads/1/3/0/7/130738679/130738679.html#acknowledgement+for+report+uitm

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000011e1.bin
020c94154ff899557b23aba6816d36cdf794233fee1939031d01b3248d3fb7ac		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11E1 7700 bytes

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