Malicious PDF — malware analysis report

Static analysis result for SHA-256 2418cfdfe9526028…

MALICIOUS

PDF

74.7 KB Created: 2021-03-18 21:36:02 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-06-30
MD5: af3790832ff92d9b23e91d55235f18cf SHA-1: aa14b0a5b1936940a0b3624d631edb94117e81a8 SHA-256: 2418cfdfe9526028c308d7b40b37bb3ec84a40f46d46c49578e8ca273dea0057
124 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains multiple embedded URLs, with one specifically pointing to a domain associated with phishing and malware distribution. The ML classifier and ClamAV detection strongly indicate malicious intent. The document body, though heavily obfuscated, suggests a lure related to medical information to entice users to click on the malicious links.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8474

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://botokaw.ru/award?keyword=angina+de+pecho+electrocardiograma+pdf PDF link annotation
    • https://cdn.sqhk.co/sadamire/b8gRCgh/xajatuzewifiwerojujozi.pdfIn PDF document text
    • https://kelebewo.weebly.com/uploads/1/3/4/3/134359650/sutad-jegupi.pdfIn PDF document text
    • https://cdn.sqhk.co/zetanitanedo/PUggC1L/19783653293.pdfIn PDF document text
    • http://rerulekoba.66ghz.com/ukulele_tabs_download.pdfIn PDF document text
    • https://rebasikerebevo.weebly.com/uploads/1/3/4/0/134016880/pusunap.pdfIn PDF document text
    • https://cdn.sqhk.co/zunesunatiri/2m5UXhd/59648497543.pdfIn PDF document text
    • https://cdn.sqhk.co/dijowasedop/CsVih9v/15166393302.pdfIn PDF document text
    • https://cdn.sqhk.co/pepegizeso/huwqiSo/any_year_calendar_template_word.pdfIn PDF document text
    • http://pimolala.22web.org/jm109_competent_cells_transformation_protocol.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://gapumigexoze.epizy.com/what_is_relational_dialectic_theory.pdfIn PDF document text
    • http://wudumiwetoveri.rf.gd/critical_ops_apk_ipad.pdfIn PDF document text
    • http://xasaduditomup.epizy.com/how_to_know_if_your_ac_blower_motor_is_bad.pdfIn PDF document text
    • http://godutiliwaganos.rf.gd/pintura_acrilica_blanca_manualidades.pdfIn PDF document text
    • http://tudozujuxijoz.rf.gd/the_ruins_of_gorlan_pages.pdfIn PDF document text
    • https://bc260b4e-efc2-469d-9102-9c7234992d76.filesusr.com/ugd/b1b3ad_fad2a34ad8b24ac78f79ef417ab4e503.pdf?index=trueIn PDF document text
    • http://lirolodo.rf.gd/45517245401.pdfIn PDF document text
    • http://kulitetokap.epizy.com/gejinabotog.pdfIn PDF document text
    • https://d926c97b-7f3b-4ec8-a52a-318bcb589338.filesusr.com/ugd/120f26_08d77736fc2645a9929e0f93c12041a5.pdf?index=trueIn PDF document text
    • http://latosenepodukum.rf.gd/can_monks_use_weapons_5e.pdfIn PDF document text
    • https://77a80da1-97a3-4b40-ba11-54c6d232eb66.filesusr.com/ugd/39a0fd_0b3c9c8ee382422b8ec3e36d7ebd7dd6.pdf?index=trueIn PDF document text
    • http://fuzuxoluzetirig.rf.gd/denuvurulezesenikil.pdfIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00011b57.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11B57 5380 bytes
SHA-256: fc4f970b566f3b48f59d725f51b589272a72c8eca3d2ec02d464b9479589856f

Open this report in the interactive analyzer, or submit your own file for analysis.