Malicious PDF — malware analysis report

Static analysis result for SHA-256 ad5b320c9cc802ba…

MALICIOUS

PDF

36.2 KB Authoring application: GIMP
MD5: 4df50150c8055b8d8ed0a9da2c3a32ee SHA-1: 74ee15b35243f537de067eac2e7c9a616bcb10db SHA-256: ad5b320c9cc802ba3a53d0b19785877816843ab446cc1f80bb45d1109c5c39ad
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of embedded external links, identified as a PDF_SEO_LINK_FARM heuristic. These links point to various domains, suggesting a phishing or redirection campaign. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a malicious intent, likely related to traffic generation or phishing. 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://suzannekompass.com/uploads/1/3/0/6/130604775/f2d8dcde4.pdf
    • http://contentment.one/uploads/1/3/0/7/130775632/10821bc8b256bf.pdf
    • http://nealcm.com/uploads/1/3/0/5/130543305/bulovemovijivo_joful_ganonezegowepe_xaxowakavosoju.pdf
    • http://nativitybloomingtonparish.org/uploads/1/3/0/3/130379315/duxawu.pdf
    • http://ocwswwtp.com/uploads/1/3/0/5/130542934/1831617.pdf
    • http://benjaminsmithfineart.com/uploads/1/3/0/3/130323488/4750386.pdf
    • http://americanlighting.org/uploads/1/3/0/7/130738641/670ca858f7fb0e.pdf
    • http://remodelkitchenbathroom.com/uploads/1/3/0/6/130605161/dd5714158e67d66.pdf
    • http://mmpe.cn/uploads/1/3/0/5/130538941/95725fb0d8598b.pdf
    • http://fincacatalina.com/uploads/1/3/0/7/130740212/20fb5db04.pdf
    • http://monicadigiovanni.com/uploads/1/3/0/5/130588757/bitejomomekele.pdf
    • http://morongovalley.org/uploads/1/3/0/7/130775819/lazalus.pdf
    • http://royalglossbrat.com/uploads/1/3/0/2/130272500/8adc13f654.pdf
    • http://alejandrodrago.com/uploads/1/3/0/8/130815277/3da41a1f2adb5.pdf
    • http://mrsmishra.ca/uploads/1/3/0/7/130739994/pazovinululib.pdf
    • http://ncpimaging.com/uploads/1/3/0/6/130639766/6a241ea7907.pdf
    • http://blackandchosen.com/uploads/1/3/0/3/130323762/3751122.pdf
    • http://atlasthemighty.com/uploads/1/3/0/6/130604778/04bfcaf0786e.pdf
    • http://foodytees.com/uploads/1/3/0/7/130739247/zumanimeji-puwejimov-xojigi-jejojagotubiv.pdf
    • http://host13.pleasingfood.com/uploads/1/3/0/2/130287493/130287493.html#what+are+anticholinergic+definition
    • http://morongovalley.org/uploads/1/3/0/7/130775819/lazalu

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002ffe.bin
1f3e31b786b20a4372663b2e83c1d74c1ae8e66349482e20be8fccedcc64255b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2FFE 7468 bytes

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