Malicious PDF — malware analysis report

Static analysis result for SHA-256 140651d14b29c03d…

MALICIOUS

PDF

39.8 KB Authoring application: Poppler-utils
MD5: dd353b2a080fe3692172190d614adaa1 SHA-1: 1a56a05ed6ca4221f963c35b5ada5a74ee5c049e SHA-256: 140651d14b29c03d180577d51160710446fbe8a400c38fef38bad78850bd72b2
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs, identified by the PDF_SEO_LINK_FARM heuristic, suggesting a link farm or redirection mechanism. The document body, though partially corrupted, contains text related to BI-RADS categories for breast cancer screening, which is likely a lure to encourage users to click on the embedded links. The ClamAV detection and ML classifier strongly indicate malicious intent, likely to download a second-stage payload.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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://lamplify.org/uploads/1/3/0/5/130550937/koxudedigubade.pdf
    • http://aisthetik.com/uploads/1/3/0/4/130483429/fobemetage.pdf
    • http://nectr.ca/uploads/1/3/0/4/130483606/42f611f938f0c.pdf
    • http://moderneroticart.com/uploads/1/3/0/5/130590375/4687440.pdf
    • http://mictkinofest.com/uploads/1/3/0/6/130639244/7786685.pdf
    • http://jornalistavitogemaque.com/uploads/2020/01/27/2018486.pdf
    • http://poppies-daycare.co.uk/uploads/1/3/0/8/130814248/9383696.pdf
    • http://77thscouts.ca/uploads/1/3/0/7/130776197/jupabosusu.pdf
    • http://distribuidoramaissaude.com/uploads/1/3/0/6/130639145/dc212da56f1b.pdf
    • http://infinitybisect.com/uploads/1/3/0/6/130639812/1380845.pdf
    • http://pezularealty.com/uploads/1/3/0/4/130478160/tofiloratoxare-gifinetuzaba-zobodiwatiw-bafeneligowoj.pdf
    • http://plan2succeed.net/uploads/1/3/0/7/130739967/1195626.pdf
    • http://5pointauto.com/uploads/1/3/0/5/130541924/130541924.html#o+que+quer+dizer+acr+bi-rads+categoria+2

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001381.bin
c0a287ae88e7c358da7e475f591fe72e7b02c3021ee80241203ba9bd62fae5d9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1381 10868 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.