Malicious PDF — malware analysis report

Static analysis result for SHA-256 732ae81588ee0c1e…

MALICIOUS

PDF

42.2 KB Authoring application: LibreOffice First seen: 2020-09-24
MD5: f98c5a9c133e1314ec2a6b9777d42148 SHA-1: 74ad095524461efd21dc55ae0d52c8ddfde92533 SHA-256: 732ae81588ee0c1ea48193a2a098cdc28dcb76b2d92fef28588b62c8691b35e7
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a mass external link farm, with 25 links pointing to other PDF files hosted on various domains. The document body, though heavily obfuscated, appears to be a lure related to medical test pricing, aligning with the 'SE_INVOICE_LURE' heuristic. The primary attack pattern involves directing users to download further malicious content, likely to distribute malware or conduct phishing. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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.
  • Fake invoice / payment lure low SE_INVOICE_LURE
    Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
  • 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 https://bimalitikiv.weebly.com/uploads/1/3/0/2/130291646/raxefa.pdf In PDF document text
    • http://fkox.com/uploads/1/3/0/6/130620945/lupevaxegapaw-labotutux-nevago.pdfIn PDF document text
    • http://texasstocklawyers.com/uploads/1/3/0/2/130270855/2d60ecc.pdfIn PDF document text
    • http://beeldschermverhuur.nl/uploads/1/3/0/6/130622084/dejinuzegimez.pdfIn PDF document text
    • http://myrole.legal/uploads/1/3/0/5/130588272/89d6d5fb.pdfIn PDF document text
    • http://mrblacksmusic.com/uploads/1/3/0/2/130289515/3cea65cfd2e5072.pdfIn PDF document text
    • http://lackfocus.net/uploads/1/3/0/5/130588164/11dc9a7535f20c.pdfIn PDF document text
    • http://myturkishcoffee.com/uploads/1/3/0/6/130604742/9802280.pdfIn PDF document text
    • http://concordia-archives.net/uploads/1/3/0/2/130287238/wuvamiditikej-wikawemel-bufip.pdfIn PDF document text
    • http://oxfordcountyhouseclearance.co.uk/uploads/1/3/0/2/130289475/kajefalopi.pdfIn PDF document text
    • http://fillzenpillows.com/uploads/1/3/0/5/130551967/vejenagojilede-kagadalasowola-fadevibaji-xoxerovifujen.pdfIn PDF document text
    • http://arabshortfilmfactory.com/uploads/1/3/0/6/130621215/c0e2d3.pdfIn PDF document text
    • http://bestshop10.ru/uploads/2020/01/28/kovetupig_zijog_dejawibididun_sumokaro.pdfIn PDF document text
    • http://savethetreespdx.com/uploads/1/3/0/7/130739519/d55f7da92000ffd.pdfIn PDF document text
    • http://beyondbookkeeping.us/uploads/1/3/0/2/130272233/kapebujotepelom.pdfIn PDF document text
    • http://cookiesandfailure.com/uploads/1/3/0/6/130604180/8936611.pdfIn PDF document text
    • http://pensacolaaudiodocumentation.com/uploads/1/3/0/2/130289793/9405639.pdfIn PDF document text
    • http://babenow.com/uploads/1/3/0/6/130639212/pofokelafim.pdfIn PDF document text
    • http://fleabayers.com/uploads/1/3/0/4/130478520/fukokuwo-joloxib.pdfIn PDF document text
    • http://nebraskatowshow.com/uploads/1/3/0/6/130605312/mevebegutaninov.pdfIn PDF document text
    • http://mysteryplus.nl/uploads/1/3/0/5/130541272/1238118.pdfIn PDF document text
    • http://brookeholden.com/uploads/1/3/0/5/130589328/jekijikojiner.pdfIn PDF document text
    • http://burgerbattle.net/uploads/1/3/0/5/130588567/tutezugozeti.pdfIn PDF document text
    • http://radioholland.co.za/uploads/1/3/0/6/130603834/wefawukaz-fafuxajobofok-renazununu-zonofamobodi.pdfIn PDF document text
    • http://takingcareyoga.com/uploads/1/3/0/8/130813988/315de6.pdfIn PDF document text
    • http://nursingarmpillow.com/uploads/1/3/0/7/130739084/130739084.html#typhoid+test+price+in+lal+path+labIn PDF document text

Related samples 5

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003dc4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3DC4 8932 bytes
SHA-256: 1276682e0163a519b8e1de6962b47f70eff9cea382aa82305c72735ce47b044a

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