Malicious PDF — malware analysis report

Static analysis result for SHA-256 ae2cdcd1c5c06e7e…

MALICIOUS

PDF

42.3 KB Authoring application: Scribus
MD5: 775df78061fcc2d28059f49268f0dde5 SHA-1: 4521115208de3d93c06c284276235412dc3760dd SHA-256: ae2cdcd1c5c06e7eab1b74053981ca7c4476eb68050e58998a0f9ce56267e5de
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded external links, with the primary heuristic identifying a 'PDF_SEO_LINK_FARM' pointing to 'mr-riks.com'. This suggests a phishing or malware distribution attempt by directing users to a site that hosts further malicious content. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports this assessment.

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://mr-riks.com/uploads/1/3/0/5/130538838/garewurezefawikiwow.pdf
    • http://nirmananepal.weebly.com/uploads/1/3/0/6/130622111/6595279.pdf
    • http://odorkontrols.com/uploads/1/3/0/5/130544191/8748661.pdf
    • http://christinagdennehy.com/uploads/1/3/0/3/130313340/mubaforamefojagisu.pdf
    • http://jumbledbatter.com/uploads/1/3/0/5/130539165/jeperebifif.pdf
    • http://fr-technology.host/uploads/1/3/0/4/130436078/d79661.pdf
    • http://fav.kuhnimsc04.icu/uploads/2020/01/28/ruwubekokatux-vedunib-todofe-foweleledox.pdf
    • http://microschoolontherise.com/uploads/1/3/0/4/130490488/wuzigosatimifukido.pdf
    • http://hidesertfireprotection.com/uploads/1/3/0/5/130588418/jamonewutipuk-fifofonodoves-tegobab-vidafafuwefuk.pdf
    • http://2020blue.org/uploads/1/3/0/6/130621439/130621439.html#icd+10+code+for+cervical+spondylosis+with+foraminal+stenosis

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000012c8.bin
3293559a8a596ef3f28d790e2de3071d0aa28319ac7212a744b5057cde012662		 pdf-font-stream PDF embedded font (sfnt) at offset 0x12C8 8656 bytes
font_01_sfnt_off00006a4b.bin
1b3f82cd74c5b6671cc0c0d4a6c7877b74bb57ca469b2a61ef541918e41af838		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6A4B 2652 bytes

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