Malicious PDF — malware analysis report

Static analysis result for SHA-256 a6c4b3c1c0bbc188…

MALICIOUS

PDF

39.4 KB Authoring application: Inkscape
MD5: 4b40912ca2e921f2d97934dbd7197a3e SHA-1: 2e4c3588e7a053ec883c27b4f887747665d99ce2 SHA-256: a6c4b3c1c0bbc188fa74c4fee81c7f3db0b53516cfb3a65cb598842af9187520
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links to other PDF files hosted on various domains. This behavior is indicative of a link farm designed to distribute malicious content or conduct phishing attacks. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports the phishing and traffic redirection nature of this file. No scripts were extracted from this sample.

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://zagleverage.com/uploads/1/3/0/7/130775023/3889069.pdf
    • http://mainstrasse.org/uploads/1/3/0/5/130588434/9363615.pdf
    • http://rubberbymok.com/uploads/1/3/0/4/130483767/5285899.pdf
    • http://anongroup.org/uploads/1/3/0/4/130483765/7491097.pdf
    • http://nisfannawaz.com/uploads/1/3/0/5/130550834/sivevufunow-wigebo-vutux-fametom.pdf
    • http://toosrodieck.com/uploads/1/3/0/5/130539797/6328657.pdf
    • http://naturalhand.net/uploads/1/3/0/2/130287894/52db85.pdf
    • http://thegreatberlinwall.com/uploads/1/3/0/3/130313135/3915663.pdf
    • http://splashsteamboat.com/uploads/1/3/0/6/130639745/4313027.pdf
    • http://www.haleycloud.com/uploads/1/3/0/4/130476263/3266973.pdf
    • http://pakalolochocolate.com/uploads/1/3/0/6/130620916/mukasimesepig-refelow.pdf
    • http://dowsonusa.com/uploads/1/3/0/6/130604885/ziliguzerewan-jutago-xatinegibo-goroso.pdf
    • http://altercredo.com/uploads/1/3/0/2/130289426/kaguva_pebibubenubupes.pdf
    • http://vodkajuicediet.com/uploads/1/3/0/8/130873870/gakiwurulafefeso.pdf
    • http://txa4d.com/uploads/1/3/0/6/130620576/8645371.pdf
    • http://vancouvervacationrentals.org/uploads/1/3/0/7/130776446/bupojazam_negamijegonuwen_kaxuzojavuzax_xevisiz.pdf
    • http://photojohn.net/uploads/1/3/0/5/130588417/3272854.pdf
    • http://kissimmeehomesforsale.net/uploads/1/3/0/6/130620576/1022606.pdf
    • http://viviantung.com/uploads/1/3/0/5/130588489/ae4905d92f42e4f.pdf
    • http://qtmchain.com/uploads/1/3/0/7/130739012/xadilo_jaxawa_lilakugifelenek_zelikalenenabaf.pdf
    • http://allseasonscleaning.trustabiz.com/uploads/1/3/0/5/130550876/62c2b5bf.pdf
    • http://goldiefoxcreativeconsulting.com/uploads/1/3/0/7/130775507/9547201.pdf
    • http://olympicdiscoverytrail.net/uploads/1/3/0/6/130639145/ca396992e335b.pdf
    • http://afriwendythread.com/uploads/1/3/0/5/130550970/pilesobetawus-nepibajusom-zejuzagulatuxo-fesub.pdf
    • http://skepticbrain.com/uploads/1/3/0/8/130813120/rigot-buwozodigixefiz-rilabekumib-larekom.pdf
    • http://mylocalcfo.gammaxiques.org/uploads/1/3/0/7/130739446/130739446.html#surah+yaseen+urdu+translation+only
    • http://kissimmeehomesforsale.net/uploads/1/3/0/6/130620576/10226

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000036dd.bin
a9b37827151ea826d1139984ba4d1ed9b0be41b92c13c64ea7f4b9ab3875fd89
pdf-font-stream PDF embedded font (sfnt) at offset 0x36DD 7436 bytes