Malicious PDF — malware analysis report

Static analysis result for SHA-256 cea5037e4042f08c…

MALICIOUS

PDF

79.6 KB Created: 2021-03-10 09:36:03 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 744b20d7d42394cd49f75736b5c75083 SHA-1: 9aa34703e50bdecadc180363e1d238653e60979d SHA-256: cea5037e4042f08c5c22c03b673b5b5d874610dee0a2c7887ff0ee01934a3ac4
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9990

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
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • 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://pelibifir.ru/strik?utm_term=how+to+clean+filter+on+edenpure+heater PDF link annotation
    • https://cdn.sqhk.co/nidaruzada/ca9ihUv/tech_news_apps_lock.pdfIn PDF document text
    • http://reduslim-europa.site/gobefevamopenijujors0z.pdfIn PDF document text
    • https://cdn.sqhk.co/potiribuwuf/ih38hig/25891171248.pdfIn PDF document text
    • https://cdn.sqhk.co/famuxina/IihBjaq/birds_sound_tone_mp3_download.pdfIn PDF document text
    • https://cdn.sqhk.co/niserutom/bCzhggi/current_face_mask_requirements_in_texas.pdfIn PDF document text
    • https://cdn.sqhk.co/tezofugowura/i7hajhT/jisixigowopomozeviru.pdfIn PDF document text
    • https://cdn.sqhk.co/kigakikijebo/hhMijrC/49746239046.pdfIn PDF document text
    • https://cdn.sqhk.co/kegufamop/hfhehjW/jepavotolixurosogenena.pdfIn PDF document text
    • https://cdn.sqhk.co/wanadujogo/Tjjhff1/46466884199.pdfIn PDF document text
    • https://cdn.sqhk.co/dejijadu/e8QnPid/nemuvafitetulolimej.pdfIn PDF document text
    • http://m-ryanaf.site/750800393268bnn8.pdfIn PDF document text
    • http://2020coupons.info/petsafe_wireless_fence_collar_problems9rgrt.pdfIn PDF document text
    • http://pubguckazan.com/jiragorebaw8z4b8.pdfIn PDF document text
    • https://cdn.sqhk.co/vufebevefo/hSvULhc/word_link_to_previous_not_working.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://s3.amazonaws.com/dinigugaxej/the_hobbit_book_summary_shmoop.pdfIn PDF document text
    • https://s3.amazonaws.com/betefowubevat/check_register_template_excel_2016.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/531b0ea7-5ab5-4d3e-aa17-55157eb76b90/15523317218.pdfIn PDF document text
    • https://s3.amazonaws.com/mokamoba/how_to_turn_off_bushnell_rangefinder.pdfIn PDF document text
    • https://s3.amazonaws.com/bufexa/97030072828.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c960a0d9-06aa-4f09-9bd9-1d4311c9775f/93681823512.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/dfef935f-cce5-45d0-9adb-4e7e9a14df2a/96899683211.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ce3296e5-ce8e-4f75-96d5-ef58dd0fd07a/importance_of_statistics_and_probability_in_daily_life.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/225024b9-65fe-4d9d-ac9d-cc2a70047b0f/how_do_you_read_tide_charts.pdfIn PDF document text
    • https://s3.amazonaws.com/tiduro/gabofomo.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ee6b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEE6B 5000 bytes
SHA-256: 246329480c93179534a6a5387e924454cdbee3bd1734fe2fbaa2f976cae72d65
font_01_sfnt_off0000ff6c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFF6C 10224 bytes
SHA-256: 2eca4443172b55074927632fff6cc7b879da1bff8eaf323f9ee5bf23fc69d31a
font_02_sfnt_off00012276.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12276 4324 bytes
SHA-256: 7f6049e5011acf0e8581793f2bc2bb947aac2929fdb77abc318b2a6155c1ef71

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