Malicious PDF — malware analysis report

Static analysis result for SHA-256 1c30c1c02bbd7149…

MALICIOUS

PDF

34.6 KB Authoring application: Smallpdf Desktop
MD5: e6e825191a5ed25fb2dc98865333c47b SHA-1: 8dddba67a9f91b345a8341cfa4bb3256d98a8aef SHA-256: 1c30c1c02bbd7149ca0af934267cf58ffd1ae0a55982633eb430f4209b8729bd
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious File

The PDF file was flagged by multiple heuristics, including ClamAV and an ML classifier, as malicious. The PDF_SEO_LINK_FARM heuristic identified a large number of external links, suggesting a link farm or redirection to malicious content. The document body, though partially corrupted, contains some of these URLs, reinforcing the malicious intent. The primary attack pattern appears to be SEO manipulation or hosting of further malicious payloads via these external links.

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://americanpastimebaseball.com/uploads/1/3/0/8/130814933/fivujenebaki.pdf
    • http://mxmsupport.com/uploads/1/3/0/7/130775688/refivemerowekuliwika.pdf
    • http://myuschamifc.com/uploads/1/3/0/5/130543870/nikekip_vesanoma_negejumixowu.pdf
    • http://millsupportzuid.com/uploads/1/3/0/4/130483616/raxebumififa.pdf
    • http://alonsoquintanilla.com/uploads/1/3/0/6/130639509/1512771e.pdf
    • http://asia-africarenewableenergyforum.org/uploads/1/3/0/6/130603979/2565399.pdf
    • http://hostmaster.harmoniesoftheheart.org.uk/uploads/1/3/0/8/130874240/55603.pdf
    • http://efcoform.com/uploads/1/3/0/7/130776591/femubojefub.pdf
    • http://craftystudios.co.uk/uploads/1/3/0/3/130323232/8517076.pdf
    • http://sgtbenton.com/uploads/1/3/0/6/130621024/1499475.pdf
    • http://fundamenton.com/uploads/1/3/0/6/130604332/bofosexuwi.pdf
    • http://mpowerempire.com/uploads/1/3/0/6/130621484/fepasuxomu.pdf
    • http://5r65d7.bdgct.com/uploads/1/3/0/6/130605306/130605306.html#strategic+action+plan+template+pdf

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002fcf.bin
014c4a5a025d8445829b8db28d75316982a7c97e658e43394e83754fccc5dc6a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2FCF 7812 bytes

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