Malicious PDF — malware analysis report

Static analysis result for SHA-256 530cd3e5246815d7…

MALICIOUS

PDF

57.0 KB Authoring application: PDF Studio
MD5: cff1c6e78366d3e9d05ac77fdf6123e7 SHA-1: 8da36bef07be82caf5727d18ffdd31491fe3dda8 SHA-256: 530cd3e5246815d75be64a9fbb733aba33afb875fd795b4a572c044952b1319e
150 Risk Score

Malware Insights

MITRE ATT&CK
T1204 Malicious Link T1566 Phishing

The PDF document contains a large number of embedded URLs, identified by the PDF_SEO_LINK_FARM heuristic, which are likely intended to redirect users to malicious content. The ClamAV detection as Pdf.Phishing.TtraffRobotInstall-7605656-0 further supports a phishing or malicious redirection intent. The document body contains technical jargon and links, reinforcing the lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://allachievers.com/uploads/1/3/0/8/130874261/fulasomokelik.pdf
    • http://liveinemail.net/uploads/1/3/0/7/130775002/jorunireropeb_refobebe.pdf
    • http://cwhypnotherapy.com/uploads/1/3/0/4/130489564/puzulidusege.pdf
    • http://pusulaharita.net/uploads/1/3/0/7/130776578/364611.pdf
    • http://befree-rv.com/uploads/1/3/0/5/130543038/pezino_xiduw_kevopira_motoruroken.pdf
    • http://www.cedarmilers.org/uploads/1/3/0/4/130488811/degibepasepelarepop.pdf
    • http://wildercondiments.org/uploads/1/3/0/5/130588499/8674145.pdf
    • http://aharesidents.com/uploads/1/3/0/6/130604581/xutuporidonofeduj.pdf
    • http://adventurebrewscruise.com/uploads/1/3/0/5/130550752/5680164.pdf
    • http://goodfoodfilm.com/uploads/1/3/0/5/130550731/4474444.pdf
    • http://downlinecheatsheet.com/uploads/1/3/0/6/130620820/b5c6fd2f8a.pdf
    • http://cozzomediation.com/uploads/1/3/0/6/130604285/nekokiluvibajevibu.pdf
    • http://chasm-book.com/uploads/1/3/0/7/130775254/zamofo.pdf
    • http://oelifestyle.com/uploads/1/3/0/5/130539446/jizexovo.pdf
    • http://earthangeledibles.com/uploads/1/3/0/5/130588718/6573521.pdf
    • http://hidalgodeliciasgourmet.com/uploads/1/3/0/3/130379445/8522264.pdf
    • http://grandwoodslounge.net/uploads/1/3/0/8/130813668/lavijijegagu.pdf
    • http://virtualdisciplemaker.com/uploads/1/3/0/6/130620578/mitaxavewi.pdf
    • http://meliciosa.com/uploads/1/3/0/3/130323251/ziwipebuxadi.pdf
    • http://ourpsychosis.com/uploads/1/3/0/7/130739631/f44c2dad0.pdf
    • http://thrivelc.org/uploads/1/3/0/8/130813369/bamatu-xufekoganisuw-kufotojemifup.pdf
    • http://officehelper.net/uploads/1/3/0/6/130620401/13332.pdf
    • http://realty-hunters.com/uploads/1/3/0/6/130604850/ranagujevi-firawom-dokivilogupered.pdf
    • http://daythere.com/uploads/1/3/0/4/130435701/73362d.pdf
    • http://afcitypark.com/uploads/1/3/0/7/130776147/jimesaxafo.pdf
    • http://frogbabyfilmfestival.org/uploads/1/3/0/6/130639517/130639517.html#how+to+access+oracle+database+from+sql+server+2012

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000014f2.bin
96aa4aaf209c0592b0149b818b650a641c3264cb0cd317eec0ee296d4ab8e8cb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x14F2 9812 bytes

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