Malicious PDF — malware analysis report

Static analysis result for SHA-256 fa0231212b141788…

MALICIOUS

PDF

44.2 KB Authoring application: OpenOffice Draw First seen: 2020-09-24
MD5: 76826e0839227bf8c2307b35aee63ed5 SHA-1: 6f3429467ac905cf181d946e185031a78341f223 SHA-256: fa0231212b14178820dc9d95fc690aefeb0a929a4b9575a14a83a18a456784ef
192 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, identified by the PDF_SEO_LINK_FARM heuristic. This indicates a likely attempt to redirect users to malicious sites, as suggested by the ClamAV detection of Pdf.Phishing.TtraffRobotInstall. The document body contains garbled text, suggesting it is not intended for direct user consumption but rather as a container for the malicious links.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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.
  • PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
    PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
  • 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://namanufacturing.com/uploads/1/3/0/8/130814115/bfeace.pdf In PDF document text
    • http://bakerskidscrafts.com/uploads/1/3/0/6/130639678/5414371.pdfIn PDF document text
    • http://thereluctanttransformationalist.com/uploads/1/3/0/5/130588921/f74a271.pdfIn PDF document text
    • http://artistinlivingcolor.com/uploads/1/3/0/7/130739180/gobup.pdfIn PDF document text
    • http://twosistersdips.com/uploads/1/3/0/2/130288594/ruwapodagedunug-tuvofujaf-wegugupurewime.pdfIn PDF document text
    • http://gardensoft.space/uploads/1/3/0/6/130639573/mazekop_tixivivibowa_zefeva.pdfIn PDF document text
    • http://ceramikerie.de/uploads/1/3/0/5/130539336/ratakax-rimelux-fizutusowuzatus-kiwibegali.pdfIn PDF document text
    • http://ppal.space/uploads/1/3/0/4/130436337/5301163.pdfIn PDF document text
    • http://webmail.thrivingfamilies.com/uploads/1/3/0/4/130489423/5cca09372a3e63.pdfIn PDF document text
    • http://nationalcasinomarketing.com/uploads/1/3/0/7/130739829/gizemefi-lutemubuse.pdfIn PDF document text
    • http://graphicdesigner.design/uploads/1/3/0/2/130274151/3674181.pdfIn PDF document text
    • http://comparejetcharters.com/uploads/1/3/0/6/130604363/nibegefafidujuki.pdfIn PDF document text
    • http://wannarun.com/uploads/1/3/0/7/130739755/4676080.pdfIn PDF document text
    • http://cornerstonelifebuilding.com/uploads/1/3/0/4/130488914/9519329.pdfIn PDF document text
    • http://carwashpumprepair.com/uploads/1/3/0/6/130621665/bukowak-xozuxasaga-nukakuxinagisu-bukugi.pdfIn PDF document text
    • http://www.server.monicamakeupartist.com/uploads/1/3/0/5/130589277/funolebuv_wuxopodo_nuxuwofesen.pdfIn PDF document text
    • http://datacenterdan.com/uploads/1/3/0/6/130604631/nirogugujabamevi.pdfIn PDF document text
    • http://icanwritethat.org/uploads/1/3/0/6/130621732/12f14d07.pdfIn PDF document text
    • http://luxuriouseyesbeauty.com/uploads/1/3/0/6/130621531/bcdb6da26176d.pdfIn PDF document text
    • http://lollye.com/uploads/1/3/0/5/130589194/a8a25e.pdfIn PDF document text
    • http://azulmente.com/uploads/1/3/0/7/130739144/5761244.pdfIn PDF document text
    • http://webmail.bardosdiamondsports.com/uploads/1/3/0/7/130738708/130738708.html#samsung+note+8+sensors+not+working+after+updateIn PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Related samples 8

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

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002feb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2FEB 16140 bytes
SHA-256: 0f23141ba94d37b49c53016ac63a9b008a6ac8e4c4656a8d80e6725f77750189
font_01_sfnt_off0000480a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x480A 9168 bytes
SHA-256: 783f92ce42e5cb90d31b38bf18bdca3b54e4f81e1cf74b064598256ec1b7b77e

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