Malicious PDF — malware analysis report

Static analysis result for SHA-256 fac77fa012a35c4e…

MALICIOUS

PDF

36.0 KB Authoring application: LibreOffice
MD5: f26bdfa6685b086ab1130632051b6739 SHA-1: 71a889a944ee2c59a477a0ff92f6ac7c5a92d873 SHA-256: fac77fa012a35c4eeed40a879c06a64016f226ec8313fd54d64fe05dd4a42740
150 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, as indicated by the PDF_SEO_LINK_FARM heuristic. The ClamAV detection and ML classifier also flag this as malicious. The embedded URLs likely lead to further malicious content or phishing pages. The document body, though heavily obfuscated, suggests a lure related to LibreOffice exercises.

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://surykyom.com/uploads/1/3/0/4/130483193/e6021f.pdf
    • http://fpeletrica.com/uploads/1/3/0/5/130539676/xupotaxog_giduzonax_wanudevugamolet.pdf
    • http://www.missinglinkbrewery.co.uk/uploads/1/3/0/4/130435787/tenolab.pdf
    • http://seaplanediving.com/uploads/1/3/0/7/130776314/fb438789.pdf
    • http://roguecosmetique.shop/uploads/1/3/0/6/130639883/dusujejibizazozar.pdf
    • http://www.realityinbalance.com/uploads/1/3/0/6/130621455/lodemebotidu.pdf
    • http://ggingi.com/uploads/1/3/0/6/130639815/9073083.pdf
    • http://togobogo.com/uploads/1/3/0/2/130273842/renolekefuregos.pdf
    • http://bodybydrea.net/uploads/1/3/0/3/130323461/zeviwera_faxem_pegosid_pufiwoli.pdf
    • http://cancerblingshop.com/uploads/1/3/0/3/130313072/sofet-riruzetexanu-gufaluxexefaxu-rurinura.pdf
    • http://harrellschristianacademy.com/uploads/1/3/0/8/130873982/4763628.pdf
    • http://charmbraceletsforgirls.com/uploads/1/3/0/5/130551094/foravefewamas-zujekajulu-janopukobales.pdf
    • http://palmbeachhouserepair.com/uploads/1/3/0/4/130435712/nefutadilenan.pdf
    • http://compulsivethriving.com/uploads/1/3/0/6/130639110/lijobuxu.pdf
    • http://ocfertilitycare.com/uploads/1/3/0/4/130483551/3945058.pdf
    • http://firebrandguitars.com/uploads/1/3/0/6/130604768/96981e283.pdf
    • http://glencoveestates.com/uploads/1/3/0/3/130313224/sorulekezamop.pdf
    • http://www.blissmassage.ca/uploads/1/3/0/6/130621084/1949551.pdf
    • http://kingdomleadership.net/uploads/1/3/0/7/130776200/juzudejinizezo.pdf
    • http://naturalpipes.com/uploads/1/3/0/6/130620546/61157c1bc87817.pdf
    • http://webmail.justanothersunday.com/uploads/1/3/0/6/130620839/130620839.html#exercise+for+cervical+herniated+disc
    • http://palmbeachhouserepa

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002df1.bin
86c7dc4ba643fa858a46474749959ad46b424e147002add95c568f399bc7d1ea		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2DF1 7480 bytes

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