Malicious PDF — malware analysis report

Static analysis result for SHA-256 02360f71119cac4f…

MALICIOUS

PDF

267.8 KB Created: 2021-03-22 01:59:56 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-07-10
MD5: 2a80628c72d7daf8395e29c9576473aa SHA-1: 468a7e290501a7efe28f1d1fed93e15d817b89c3 SHA-256: 02360f71119cac4ffc3c8c626956a9c0cacffa30816fd9947dbabed55fb8b4bb
156 Risk Score

Malware Insights

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

The sample is a PDF document flagged by ML classifiers and ClamAV as malicious. Heuristics indicate it functions as a callback phishing lure or a payment redirection scam, aiming to trick users into calling a number or updating payment details. While no scripts were extracted, the presence of embedded URLs suggests a potential for downloading further payloads or redirecting users to malicious sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9985

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Payment redirection / bank-detail change lure high SE_PAYMENT_REDIRECT_LURE
    Document describes new or changed bank, wire, ACH, IBAN, SWIFT, or routing instructions — a high-value business-email-compromise pattern
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
  • 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://jacksth.ru/wix?keyword=cisco+asa+5505+manual+configuration PDF link annotation
    • http://fruct.space/mojazalapajoxumalim34sv.pdfIn PDF document text
    • http://kittyplay.online/gratis_atari_2600_emuladory1ph2.pdfIn PDF document text
    • http://moshon.space/how_do_you_start_a_nonprofit_organization_in_michiganc16ml.pdfIn PDF document text
    • http://sudilufib.getenjoyment.net/divakifupejekogozivu.pdfIn PDF document text
    • https://cdn.sqhk.co/putuziboki/jthjnjj/watch_nwsl_challenge_cup_final.pdfIn PDF document text
    • http://regsenatvumen.website/fajejulogesodimilibkq4tj.pdfIn PDF document text
    • https://cdn.sqhk.co/zajikeze/2hbRljj/foluvaxuluku.pdfIn PDF document text
    • https://cdn.sqhk.co/takodabu/Pduovhj/10905337663.pdfIn PDF document text
    • http://garderob-podolsk.ru/who_makes_sears_shop_vacsftkow.pdfIn PDF document text
    • http://rixanemusijod.mywebcommunity.org/tujitojerifiximivosuw.pdfIn PDF document text
    • https://cdn.sqhk.co/gubujurit/8IichcD/22778948238.pdfIn PDF document text
    • http://yildirimotobursa.com/xopapogonode6454t.pdfIn PDF document text
    • http://gopidap.scienceontheweb.net/11594084594.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/bc7a69cd-6231-4bf0-b9c5-91339b17a6dd/hp_officejet_pro_8620_e-all-in-one_printer_price_in_india.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/078bed94-4dc6-44d7-b485-6308b95733b6/turinijimelet.pdfIn PDF document text
    • http://pazovegisot.epizy.com/sqlite_client_android.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/779d3664-7cb3-4151-9091-2e48d652ddee/rumajutiwa.pdfIn PDF document text
    • http://xogowakowokavuw.rf.gd/roxax.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e1a225cf-a60b-41bf-a533-1c92b9bda04f/37803323976.pdfIn PDF document text
    • http://niselasot.atwebpages.com/3635447577.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_off0003e637.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3E637 5372 bytes
SHA-256: 32f5605bd4e0913a0c2fbd8cec7a5c91a95b3ee64cdd12cfb7d195fa4780a157
font_01_sfnt_off0003f869.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3F869 11736 bytes
SHA-256: dd433bc680b8aa7e108d039a8771f51eed1aae169b2e4dd3078091f56b59acfa

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