Malicious PDF — malware analysis report

Static analysis result for SHA-256 15eac7dddb0a1156…

MALICIOUS

PDF

68.7 KB Created: 2021-03-14 02:22:02 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-23
MD5: 4c9e7590c208dba35671c38ca67e1af6 SHA-1: dd471c3bf25e7f1053d0f0be7d030abd5671e515 SHA-256: 15eac7dddb0a11569d5f267b90872cce77d137eec064954fbaabdf8054885cb1
96 Risk Score

Malware Insights

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

The file is a PDF document that contains an embedded URL pointing to a suspicious domain, identified by ClamAV as Pdf.Phishing.Trojan. The ML classifier also flagged this PDF with high confidence. The document body, though heavily obfuscated, contains text related to 'Hyde park management llc', suggesting a phishing lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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://golowaki.ru/wix?keyword=hyde+park+management+llc PDF link annotation
    • https://cdn.sqhk.co/tajudozizif/Z3hbih0/farinetupimi.pdfIn PDF document text
    • https://cdn.sqhk.co/feripamapuv/Sohhjct/pufoxulodosalijuvodalaj.pdfIn PDF document text
    • https://cdn.sqhk.co/sogunixe/hheE6ih/koxabutadisifubawapusalo.pdfIn PDF document text
    • https://cdn.sqhk.co/kimejijomaki/gitohaa/kudubus.pdfIn PDF document text
    • https://cdn.sqhk.co/lokemoxire/W0ogg45/93519201035.pdfIn PDF document text
    • http://davebamonuzove.medianewsonline.com/5903780567.pdfIn PDF document text
    • http://tumuduwaju.mypressonline.com/tepedupikuwikixosenu.pdfIn PDF document text
    • https://cdn.sqhk.co/gujipiror/jehfgg0/cricket_wireless_login_to_my_account.pdfIn PDF document text
    • https://cdn.sqhk.co/bebetirifam/eCtCged/49490075250.pdfIn PDF document text
    • https://cdn.sqhk.co/jojikoxazew/jegjic3/xuvup.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://gajutar.onlinewebshop.net/30426496245.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c7823400-3425-4f5e-83f8-135f2d04b263/bedigarusadolo.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/62b7b034-471d-4356-909b-672d089fa2a3/how_to_edit_interior_design_photos_in_photoshop.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a867e73b-0318-47dc-8765-0e17b90656dc/international_mailing_address.pdfIn PDF document text
    • https://s3.amazonaws.com/vibasujefir/husky_power_washer_1750_psi_price.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/bcde4a15-910d-4417-b7cc-d9dc6fe4c4fa/garmin_vivosmart_4_manual_uk.pdfIn PDF document text
    • http://ropupifalapoges.atwebpages.com/adobe_after_effects_cs6_shortcut_keys.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/2067c6da-1e15-4cfa-a555-5efa01152e58/how_much_oil_in_toro_6.75_lawn_mower.pdfIn PDF document text
    • https://s3.amazonaws.com/kizugokofo/cd_envelope_template_ai.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7f2d3151-8a99-4f11-a124-5a38ede231e4/is_samsung_grand_prime_a_good_phone.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b727c4b7-06a1-4f04-8122-b70c32d213a3/46125587112.pdfIn PDF document text
    • https://s3.amazonaws.com/jadere/skiathos_beaches_guide.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000cfe8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCFE8 5344 bytes
SHA-256: 667334d80164dc9db7e36c22e0aa2d0e6097fdba517ccc6af42e6e7b9c8da01e
font_01_sfnt_off0000e20c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE20C 10444 bytes
SHA-256: a074a9d3250affd252eedb033f6f9d5cab2ea8564943e4cee558079108b34dab

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