Malicious PDF — malware analysis report

Static analysis result for SHA-256 8a02f035b9794a3b…

MALICIOUS

PDF

86.9 KB Created: 2021-09-08 05:04:41 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-23
MD5: 5439cd44d065096b30d1c1732957136e SHA-1: a0301e807b395e2c38a76c3ce4296ff7e20baecd SHA-256: 8a02f035b9794a3ba9d5a3af70c057015293ec2ed853131ec7f28e2c5be17bd1
216 Risk Score

Malware Insights

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

This PDF document exhibits multiple indicators of malicious activity, including ML classification, ClamAV detection, and heuristics related to phishing and payment redirection lures. The document contains numerous embedded URLs pointing to compromised websites and link farms, suggesting an attempt to redirect users to malicious content or phishing pages. The presence of these lures indicates a likely attempt to trick users into divulging sensitive information or downloading further malware.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9974

Heuristics 8

  • 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
  • PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
    PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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.
  • 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://wastran.ru/uplcv?utm_term=pradhan+mantri+suraksha+bima+yojana+form+pdf PDF link annotation
    • http://xn--80aafbkbafwdti1ahihccrg.xn--p1ai/pict/file/69543040792.pdfIn PDF document text
    • https://vashadvokat82.ru/wp-content/plugins/super-forms/uploads/php/files/94b9ac177f04a05067c57a71bce78241/wupelige.pdfIn PDF document text
    • https://datawire.gr/files/files/kuxunabexuzotivogabugaso.pdfIn PDF document text
    • http://www.hmcpacking.com/uploads/files/buwusi.pdfIn PDF document text
    • http://cropscipublisher.com/files/upfiles/file/84948206075.pdfIn PDF document text
    • https://www.areatransfers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f85728bb40a---kataxom.pdfIn PDF document text
    • https://gpagroup.in/wp-content/plugins/formcraft/file-upload/server/content/files/1609837a81f0bc---gixedimisivagip.pdfIn PDF document text
    • https://anzmrrn.org/wp-content/plugins/formcraft/file-upload/server/content/files/160ed9f6122492---lomafitavetinut.pdfIn PDF document text
    • http://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160df82a0bf4b4---dadaju.pdfIn PDF document text
    • https://www.d-table.com/wp-content/plugins/super-forms/uploads/php/files/1d42755301d9f5766c24621ddbcec955/93141080854.pdfIn PDF document text
    • https://avantkart.com/wp-content/plugins/super-forms/uploads/php/files/23uup8g2qgee8b3r0rl049mu6b/87636607683.pdfIn PDF document text
    • http://www.minaakshimajumdar.com/fckimages/file/1516510806.pdfIn PDF document text
    • http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e38f4b8e448---9713068152.pdfIn PDF document text
    • http://bielwod.com/userfiles/file/jimobozenujimawewivo.pdfIn PDF document text
    • http://www.sarajevo-inn-grunewald.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cb2dd0ce30---96429782981.pdfIn PDF document text
    • http://www.jindatunnel.com/up_files/file/52822800218.pdfIn PDF document text
    • http://fructusartis.com/i/File/77534047189.pdfIn PDF document text
    • http://terezmisszio.eu/files/file/nunebedewupeseme.pdfIn PDF document text
    • http://chicagohalo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16114726f2b112---selubatujowepenujogamer.pdfIn PDF document text
    • http://kuppersbusch-center.ru/uploads/files/febuparesevexolumoxiwap.pdfIn PDF document text
    • http://qtjdb.com/UploadFile/2021/07/10/file/20210710_141939_161.pdfIn PDF document text
    • https://tahitotfaluovodak.hu/ckfinder/userfiles/files/zizovubo.pdfIn PDF document text
    • https://www.ijestr.com/ckfinder/userfiles/files/sefeditusikot.pdfIn PDF document text
    • https://www.jahnigterbraak.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c1a6e75ee02---40059537055.pdfIn PDF document text
    • http://ck-kutnahora.cz/gais/image/file/3111050617.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://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000eeeb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEEEB 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off000106fd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x106FD 17520 bytes
SHA-256: 0eb8ebfe593cd6b737be294b6e06307ea8cbe281572e6e18515a2943973494c1
font_02_sfnt_off00013404.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13404 11164 bytes
SHA-256: 748d76285e13c6903a9645250d0ac38c39a9bc1f94068608636d23ed5882f6ab

Open this report in the interactive analyzer, or submit your own file for analysis.