Malicious PDF — malware analysis report

Static analysis result for SHA-256 45287219f48b1882…

MALICIOUS

PDF

70.9 KB Created: 2021-03-02 22:32:40 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18
MD5: f7de0dd58b4125cdcddd5d3a8560ed8b SHA-1: 0dc7f1efdc0e6a014c2104f4374c047207f85d73 SHA-256: 45287219f48b18827af5ab9ae7232b1b1bb56c976df1911939b78d538682467c
124 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution T1059.007 JavaScript

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9846

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://lozipotod.ru/award?keyword=how+to+fix+a+water+softener+leak PDF link annotation
    • https://lurexiji.weebly.com/uploads/1/3/4/5/134594132/5331479.pdfIn PDF document text
    • https://cdn.sqhk.co/pawekenu/jfhe6ib/lovukoxuwetajimexitenop.pdfIn PDF document text
    • https://kovapuneluwaze.weebly.com/uploads/1/3/2/3/132302913/gowopemafuluxe.pdfIn PDF document text
    • http://doruguduku.iblogger.org/zuxozoridujoxe.pdfIn PDF document text
    • https://dozetiwe.weebly.com/uploads/1/3/1/8/131856451/malikikedorakeja.pdfIn PDF document text
    • https://cdn.sqhk.co/kupejabel/g4kggij/spongebob_krusty_cook-_off_tips.pdfIn PDF document text
    • https://cdn.sqhk.co/jujejorule/dgjeiar/republic_vs_democracy_usa_map_2020.pdfIn PDF document text
    • http://peroruse.iblogger.org/moto_g5_plus_upgrade_to_android_9.pdfIn PDF document text
    • https://sibetufubexab.weebly.com/uploads/1/3/2/7/132712005/jaxexanabitogozo.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/rimepusox/cisco_lab_simulator.pdfIn PDF document text
    • http://mudafumiziw.rf.gd/salt_and_apple_cider_vinegar_to_whiten_teeth.pdfIn PDF document text
    • http://fukefuxatolu.epizy.com/rca_bluetooth_alarm_clock_radio_instructions_rc345.pdfIn PDF document text
    • http://tubasumipuputad.epizy.com/explain_the_meaning_of_the_title_she_stoops_to_conquer.pdfIn PDF document text
    • https://s3.amazonaws.com/zagapaxa/zozotesapasi.pdfIn PDF document text
    • http://mizebowofaz.epizy.com/46422006876.pdfIn PDF document text
    • http://wosidekole.rf.gd/26805613744.pdfIn PDF document text
    • http://debarunuzijabe.rf.gd/lekotujefu.pdfIn PDF document text
    • https://s3.amazonaws.com/pewibim/arizona_form_a4_how_much_to_withhold.pdfIn PDF document text
    • http://magikid.epizy.com/91303532701.pdfIn PDF document text
    • http://dorowoz.rf.gd/52238155261.pdfIn PDF document text
    • https://s3.amazonaws.com/pasawexawinogad/65072122083.pdfIn PDF document text
    • http://xawezukazekexi.epizy.com/heraldic_beast_crossword_answer.pdfIn PDF document text
    • http://giguvinelixegol.rf.gd/diy_backstage_pass_template.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_off0000f63e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF63E 4948 bytes
SHA-256: c56ad48e67473e29b03c70e2dbe461af74ed59b080fa933be9fff5eb401ca789

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