Malicious PDF — malware analysis report

Static analysis result for SHA-256 ef94f12590c164ce…

MALICIOUS

PDF

38.6 KB Authoring application: Inkscape
MD5: f5a9b3051981e7ac395f88fc5cc2fbf1 SHA-1: d09ded76a22c17386b0923df4bb1fc2637a76030 SHA-256: ef94f12590c164ce6a242e76eca83a613f80ad991541090251025cbe4d80c6c3
150 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded URLs pointing to external PDF files hosted on various domains. This behavior is indicative of a link farm or redirection scheme, commonly used in phishing or malware distribution campaigns. The ClamAV detection and ML classifier strongly suggest malicious intent, likely related to phishing or traffic redirection.

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://ndp3.net/uploads/1/3/0/7/130738632/joxeganopagazub.pdf
    • http://elizabethalix.com/uploads/1/3/0/7/130738909/tufebaxaboluv-mekamibab.pdf
    • http://ellachinn.com/uploads/1/3/0/6/130621702/6337892.pdf
    • http://jfjaney.biz/uploads/1/3/0/5/130545745/8e7d6e.pdf
    • http://artbodysoulstudios.com/uploads/1/3/0/5/130588870/6515197.pdf
    • http://reallytees.com/uploads/1/3/0/6/130621243/0d618587.pdf
    • http://nourishmentinmotion.com/uploads/1/3/0/2/130271240/winek.pdf
    • http://concourssocial.com/uploads/1/3/0/3/130323932/402d878799fd.pdf
    • http://cleanwaterastoria.org/uploads/1/3/0/5/130542964/detuba.pdf
    • http://badleyenterprises.net/uploads/1/3/0/5/130544448/44d7b4.pdf
    • http://www.swabmasterwus.com/uploads/1/3/0/7/130739415/8237595.pdf
    • http://agilicorp.com/uploads/1/3/0/7/130776865/3832433.pdf
    • http://familyfoltz.com/uploads/1/3/0/7/130739446/josekidexexijogo.pdf
    • http://oriolfinancial.com/uploads/1/3/0/4/130479123/2d2e88038.pdf
    • http://thiscouldbebetter.com/uploads/1/3/0/7/130776006/xosuwibadejeronug.pdf
    • http://minimalwaste.net/uploads/1/3/0/7/130740612/xovad-pixamiwen-japeke-pefimiter.pdf
    • http://bradenwildflower.com/uploads/1/3/0/7/130776739/31ebfb61.pdf
    • http://the100kbusinessmakeover.com/uploads/1/3/0/3/130379311/wunosifaxe-zejonufikexom.pdf
    • http://norfolknyfire.org/uploads/1/3/0/2/130271132/2175236.pdf
    • http://ssperformancemassage.com/uploads/1/3/0/5/130589198/9bb2510.pdf
    • http://lawpoa.com/uploads/1/3/0/6/130604725/jamejumijovifefoxis.pdf
    • http://littlerayrox.com/uploads/1/3/0/5/130588931/padidolo.pdf
    • http://studio10saloncolorspa.com/uploads/1/3/0/6/130604541/semelurukovinaziwari.pdf
    • http://jcitaipei.org/uploads/1/3/0/5/130543093/130543093.html#signs+of+acute+adrenal+crisis
    • http://www.swabmasterwus.com/uploads/1/3/0/7/130739415/8237595.p

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000034f1.bin
174ceeb14de007a11b092d7d2b2e7ed18fcca956ea47c1476a9c6ece8a2f2a5d
pdf-font-stream PDF embedded font (sfnt) at offset 0x34F1 7804 bytes