Malicious PDF — malware analysis report

Static analysis result for SHA-256 557b0ccc7b9e0ef8…

MALICIOUS

PDF

37.2 KB Authoring application: PDFedit First seen: 2020-09-24
MD5: 3cf82b2f317d042f2f0b345166bd4ec5 SHA-1: 5a968a2865ea6fea6135ee958a534733fd048453 SHA-256: 557b0ccc7b9e0ef8c7d5500b71674d0ed01c72aeb7fca356358537557f1ea536
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links to external PDF files, a technique often used for SEO poisoning or to redirect users to malicious content. ClamAV identified this as 'Pdf.Phishing.TtraffRobotInstall-7605656-0', indicating a phishing or traffic redirection purpose. The ML classifier also strongly flagged this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • 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.
  • 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://takeabowkilmarnock.com/uploads/1/3/0/7/130740141/rajetodakixevuwi.pdf In PDF document text
    • http://newresume2019.com/uploads/1/3/0/6/130621352/d36c1ff7c45e.pdfIn PDF document text
    • http://rimavop.store/uploads/1/3/0/5/130588426/nexanumesuru.pdfIn PDF document text
    • http://timelessfinds.net/uploads/1/3/0/6/130620778/9e44bb7013.pdfIn PDF document text
    • http://meditono.com/uploads/1/3/0/8/130814104/2549186.pdfIn PDF document text
    • http://psyneways.com/uploads/1/3/0/6/130639685/lugipavojelino.pdfIn PDF document text
    • http://www.boodwah.net/uploads/1/3/0/6/130605373/nitus_nozejogibiwojem.pdfIn PDF document text
    • http://swag-walk.com/uploads/1/3/0/2/130287289/7176895.pdfIn PDF document text
    • http://aprilbaskin.com/uploads/1/3/0/6/130620584/retobufugamog.pdfIn PDF document text
    • http://orbitvetmap.net/uploads/1/3/0/6/130639023/681798.pdfIn PDF document text
    • http://bufalo-verbena.com/uploads/1/3/0/7/130776182/9176078.pdfIn PDF document text
    • http://countrymusicpromo.com/uploads/1/3/0/6/130640182/75a0e8.pdfIn PDF document text
    • http://host2.sbrsd.org/uploads/1/3/0/7/130775027/d569ea04a5d7963.pdfIn PDF document text
    • http://247cardetailing.com/uploads/1/3/0/4/130483067/disiw.pdfIn PDF document text
    • http://pollyshulman.net/uploads/1/3/0/5/130543941/0a6beaaa9.pdfIn PDF document text
    • http://rebeccahoulden.com/uploads/1/3/0/6/130621447/4c3028f34.pdfIn PDF document text
    • http://mkbrooks.net/uploads/1/3/0/8/130814297/rumidafadelepapinak.pdfIn PDF document text
    • http://laparc.co.za/uploads/1/3/0/8/130873786/rudibif.pdfIn PDF document text
    • http://sweetsadiesdoggieboutiqueonline.com/uploads/1/3/0/2/130287463/798817.pdfIn PDF document text
    • http://newwomanrebel.com/uploads/1/3/0/2/130289551/1405928.pdfIn PDF document text
    • http://desvosges.com/uploads/1/3/0/5/130545932/diganivuf.pdfIn PDF document text
    • http://wondertraveltours.xsideas.com/uploads/1/3/0/7/130739934/130739934.html#citric+acid+anhydrous+merck+coaIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002ed1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2ED1 8796 bytes
SHA-256: 4e65f28d35d0fc7b25da9815c577674c99cd9269ba95cb4d4c913cf5f268fd03