Malicious PDF — malware analysis report

Static analysis result for SHA-256 b11a650e2a79d98d…

MALICIOUS

PDF

118.6 KB Created: 2021-03-07 10:06:00 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-24
MD5: b10f2fd9587371ec5bb81a357fea1432 SHA-1: 9916d6eaceff6f0d10655d75e18fd3cd26911010 SHA-256: b11a650e2a79d98ddb99091e1afa51e9d5ccb452b5b34b17ac110c367fb599df
124 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document uses a lure related to fishing to disguise its malicious intent, directing users to multiple external URLs hosted on disposable domains. The presence of numerous links and the ML classifier's output strongly suggest a phishing or malware distribution attempt. No scripts were extracted from this sample, but the PDF structure and embedded URLs indicate a phishing attack.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7825

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://midufefew.ru/strik?utm_term=how+to+rig+for+trout+fishing+in+a+lake PDF link annotation
    • http://barajofa.mywebcommunity.org/how_to_change_s9_charging_port.pdfIn PDF document text
    • http://vatidenow.medianewsonline.com/64942028126.pdfIn PDF document text
    • http://jojazinex.mygamesonline.org/juxezerekeve.pdfIn PDF document text
    • http://bamiluzigu.mygamesonline.org/mental_status_exam_template_nursing.pdfIn PDF document text
    • http://sufawevugut.mywebcommunity.org/what_is_features_in_agile.pdfIn PDF document text
    • https://cdn.sqhk.co/wodaximewule/jhjZHgd/equalizer_2_cast_and_crew.pdfIn PDF document text
    • http://juwupexutaval.mywebcommunity.org/55076659570.pdfIn PDF document text
    • http://tumuduwaju.mypressonline.com/words_that_start_with_dish.pdfIn PDF document text
    • https://cdn.sqhk.co/lewenowaxer/L2Zgc6n/toilet_light_running_sound.pdfIn PDF document text
    • http://tadiminag.22web.org/final_fantasy_7_remake_walkthrough_guide.pdfIn PDF document text
    • http://fepaporipevari.mypressonline.com/43003288741.pdfIn PDF document text
    • https://cdn.sqhk.co/gasosivifug/Vih8Hjh/77631561076.pdfIn PDF document text
    • http://zonizubiro.getenjoyment.net/tuesday_with_morrie_movie_online_free.pdfIn PDF document text
    • https://cdn.sqhk.co/kanemili/iehhjca/british_superbike_championship_2019_calendar.pdfIn PDF document text
    • https://cdn.sqhk.co/fopikudapom/chcjFLi/modogekeb.pdfIn PDF document text
    • http://gavutubawoxin.epizy.com/ledakokozajegelu.pdfIn PDF document text
    • http://sisufovofow.atwebpages.com/how_to_find_diablo_2_cd_key_on_computer.pdfIn PDF document text
    • http://jetotajasavesi.atwebpages.com/roninileramu.pdfIn PDF document text
    • https://391e4f24-9fc9-4707-ac06-338edcd9f959.filesusr.com/ugd/110ef3_3f15267e90814ec88d0e79fec79729e8.pdf?index=trueIn PDF document text
    • https://e7f45dcf-1957-410e-85b1-216e85a225c4.filesusr.com/ugd/a2c2bc_5706641c039a4e0eaf46dbcd6ceb3043.pdf?index=trueIn PDF document text
    • http://pitupeg.epizy.com/ivy_global_sat_2_hr_diagnostic_answers.pdfIn PDF document text
    • http://xokeraje.rf.gd/personality_psychology_articles.pdfIn PDF document text
    • https://8eccd3b7-fb20-4588-a5b5-4d8c58591879.filesusr.com/ugd/0e6328_175f1eef575146e78e9bed8f0774a3e6.pdf?index=trueIn PDF document text
    • http://besasasef.rf.gd/when_does_cmg_stock_report_earnings.pdfIn PDF document text