Malicious PDF — malware analysis report

Static analysis result for SHA-256 b2c08ad856e81ec7…

MALICIOUS

PDF

385.2 KB Created: 2022-05-29 12:34:18 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2022-07-15
MD5: 9ed6401a4dcc2a393046776d60cc23c0 SHA-1: 015eb05604884d19f5c6082f3f350213cd45971b SHA-256: b2c08ad856e81ec7bd69694fb02985e91a3df66e9daf48e0e812896355237e07
174 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF document exhibits characteristics of an advance-fee scam and payment redirection lure, strongly suggesting it's designed to trick users into initiating fraudulent transactions or revealing sensitive financial information. The presence of an external URI points to a likely redirection to a malicious site for further exploitation. The ClamAV detection further solidifies its malicious nature.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.4836

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
  • Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LURE
    Document contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
  • 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
  • Fake invoice / payment lure low SE_INVOICE_LURE
    Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
  • 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://loheb.co.za/XSRYdR1H?utm_term=navpers+1306+7+rev+05+02+formula+pdf+download
    • http://eros-arena.de/eros/userfiles/file/sajoxowatutapod.pdf
    • http://eventechsite.com/files/files/57900276912.pdf
    • https://www.tonygssoulfood.com/wp-content/plugins/super-forms/uploads/php/files/8efd69745509be5e30b398373d3b58f0/meravawamo.pdf
    • http://plenar.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1621f6494f0e7c---70458260502.pdf
    • http://habitat3.eu/userfiles/files/81663103908.pdf
    • http://xn--zb0bw3kv4s8mn.com/upload/fckeditor/file/manowitasokimemedid.pdf
    • https://bevazemirif.weebly.com/uploads/1/3/4/8/134873662/4508259.pdf
    • https://derfo.info/resimler/files/79316505730.pdf
    • http://mijn-nederland.nl/userfiles/file/gonizumumawitefujagugal.pdf
    • http://mms.vru.ac.th/kcfinder/upload2565/files/vaxibibedug.pdf
    • http://huichem.com/ckfinder/userfiles/files/mamusebidewu.pdf
    • http://visusmarble.com/images_upload/files/61177131428.pdf
    • http://excellent-art.com/userfiles/gifufowu.pdf
    • http://balie.overeembv-profielen.nl/upload/files/novuwegitopivavupix.pdf
    • https://sisevilabo.weebly.com/uploads/1/3/4/3/134345720/wetabijajubolel-dosapedavefisa.pdf
    • https://pokenavij.weebly.com/uploads/1/3/4/8/134892290/4583650.pdf
    • https://somkiatengineering.com/upload_file/files/ruvudanekovup.pdf
    • http://samafb.org/uploadfilefiles/zaxekirofetazokud.pdf
    • http://3gr-group-com.gbintl.com/ci/userfiles/files/vewozex.pdf
    • https://drbumbnursinghome.in/ckfinder/userfiles/files/79022736735.pdf
    • https://juxapokidopelif.weebly.com/uploads/1/3/1/6/131606881/e16663ae34.pdf
    • http://aan.kz/ckfinder/userfiles/files/wusumelofapixujetaparo.pdf
    • https://www.alertgy.com/wp-content/plugins/super-forms/uploads/php/files/4472f2a03b58dbfde19cc87683069a23/kotalore.pdf
    • https://brylka-kfz.de/wp-content/plugins/formcraft/file-upload/server/content/files/161ff4a867649b---vezefixifumitosi.pdf
    • https://lixubirenolona.weebly.com/uploads/1/3/4/6/134669397/b7cee20461.pdf
    • http://www.thebetterinsurance.com/wp-content/plugins/formcraft/file-upload/server/content/files/1622d6c017af7b---salawijiguxen.pdf
    • https://tuxixomapom.weebly.com/uploads/1/3/4/6/134631546/27d507.pdf
    • http://acrclubinversores.com/files/galeria/files/depirimofosu.pdf
    • https://interangkorcondominium.com/userfiles/file/lodizifo.pdf
    • https://xcheck.vn/uploads/userfiles/file/bovujeka.pdf
    • https://www.entornopublicitario.com/wp-content/plugins/super-forms/uploads/php/files/88bd541cd48593f4a0d40eb17901dbe7/54748694747.pdf
    • http://ayurvedicclinic.org/userfiles/file/numod.pdf
    • https://nepaltravelsandtrekking.com/userfiles/file/madivorexakexakefakipi.pdf
    • http://ilonew.tasksplan.com/ckfinder/userfiles/files/57418524379.pdf
    • http://mastersnab.pro/upload/files/golexomazave.pdf
    • https://foundlight.ca/home/foun6192/public_html/files/custom_files/file/kesipiferozinugavovab.pdf
    • http://www.slappedtogether.com/editoruploadfiles/file/xijusen.pdf
    • http://hpworld.hu/data/pic/Image/file/20327008549.pdf
    • http://gaudi.tw/upload/files/bikovurazep.pdf
    • https://sz23222779.com/upload/users/files/71588252902.pdf
    • http://muratdizayn.com/panel/kcfinder/upload/files/sonedatalikun.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://dejavu.sourceforge.net
    • http://dejavu.sourceforge.net/wiki/index.php/License

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00058e2d.bin
9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x58E2D 16792 bytes
font_01_sfnt_off0005a643.bin
a2a192d9e506cb2710418312ab772e7590608c2edb612e247402539dc7dcdb43		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5A643 18812 bytes
font_02_sfnt_off0005d79a.bin
e11d119bee60a09178ff648bd7ff07b5ae98e57cf14c5ebb5c750b68a36afa4e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5D79A 11516 bytes

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