Malicious PDF — malware analysis report

Static analysis result for SHA-256 8a7c7ef1b8086161…

MALICIOUS

PDF

35.6 KB Authoring application: Inkscape
MD5: e9cd9e191f9104ca1bb186abfac5c139 SHA-1: 5d33a9c5fd429ddaa2f2c7b0b7320d68fbdbbf6d SHA-256: 8a7c7ef1b80861618ffdc6566b189f24ff19f1aad31aa4fb72d4a9255ce54061
152 Risk Score

Malware Insights

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

The PDF contains a large number of external links to other PDF files hosted on various domains, indicating a link farm designed to distribute malicious content. The ClamAV detection and ML classifier strongly suggest malicious intent, likely phishing or malware delivery. The document body contains technical jargon and embedded URLs, further supporting the lure of a malicious link farm.

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://hostmaster.utilistream.com/uploads/1/3/0/4/130477252/fomogusasu.pdf
    • http://arteagadentistry.com/uploads/1/3/0/5/130550895/1162837.pdf
    • http://eleancia.com/uploads/1/3/0/2/130289776/573d3439b.pdf
    • http://theharborpilot.com/uploads/1/3/0/3/130323185/jadudifironupej_najukem_nadijenivot_wigumowi.pdf
    • http://smfomp.org/uploads/1/3/0/2/130289406/6138424.pdf
    • http://jamonesartesanales.com/uploads/1/3/0/2/130289732/5329354.pdf
    • http://www.tipforacure.com/uploads/1/3/0/5/130590008/6587833.pdf
    • http://shannoncarrollnp.com/uploads/1/3/0/6/130604708/jejirip.pdf
    • http://rialtofood.com/uploads/1/3/0/2/130270752/ea64f87831.pdf
    • http://aitoronto.org/uploads/1/3/0/5/130540118/6631276.pdf
    • http://326mountainroad.com/uploads/1/3/0/3/130379347/276e86.pdf
    • http://www.restoringrelationships.net/uploads/1/3/0/5/130539279/dodadogu-darufa-wemirega-modaxu.pdf
    • http://sisterkeeper.org/uploads/1/3/0/5/130589160/nizisalepiw_bozibet.pdf
    • http://autodiscover.needahbasket.com/uploads/1/3/0/6/130621596/3387075.pdf
    • http://nuobeijinghotel-chinese.devsite-1.com/uploads/1/3/0/5/130590241/130590241.html#4+bit+full+adder+block+diagram

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002f03.bin
d846459a6f71f641a4ecd9c4ebf1d577eac222eef1a4c5cebb24760acbf4b14f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2F03 8760 bytes

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