Malicious PDF — malware analysis report

Static analysis result for SHA-256 e70664439cedd2cc…

MALICIOUS

PDF

2.05 MB Created: 2022-05-12 20:06:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2022-07-15
MD5: 0e06239ba16733bcecae5cd5df7e5270 SHA-1: 9db42d03ecb0081f01030cb8ae0555a924d3e4b4 SHA-256: e70664439cedd2ccf1f187711ff17a75ca081831f4936ebc77009885d73d98f2
142 Risk Score

Malware Insights

MITRE ATT&CK
T1566.003 Phishing: Spearphishing Attachment T1204.002 Malicious Link

The file is identified as a PDF with multiple heuristics indicating a phishing and advance-fee scam lure. Specifically, it uses language related to invoices, payments, and parcel delivery to deceive the user. The presence of an external URI points to a potential download or redirection to malicious content.

Machine Learning

  • Nyx PDF Classifier clean score 0.0151

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.
  • 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
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://cafij.co.za/XSRYdR1H?utm_term=reflexive+property+of+congruence+worksheet+answers+key+pdf
    • https://tufanemoxidubux.weebly.com/uploads/1/3/4/3/134315727/kakorovewejoj.pdf
    • http://thekitchendesignstudio.org/uploads/files/zikupokerizukitob.pdf
    • http://idealsinav.com/yuklenendosyalar/files/72516399762.pdf
    • http://sabotage-rockgroup.ru/upload/files/10283107778.pdf
    • http://abnicum.com/files/files/lulufi.pdf
    • https://bofuvozera.weebly.com/uploads/1/3/5/3/135331850/c9ca6.pdf
    • https://mcgbaharat.com/userfiles/file/kepigurorovar.pdf
    • https://ffrd.ae/userfiles/files/jivupiruf.pdf
    • https://zivuwaposetapon.weebly.com/uploads/1/4/1/4/141408037/rukotonofet.pdf
    • http://sossurfshop.com/cliente/conteudos/files/pomajiwu.pdf
    • https://goez1.com/10005001208290177/ckfinder/userfiles/files/80503964256.pdf
    • http://aplus.to/userfiles/file/xojurux.pdf
    • http://serviphony.com/tinymce/jscripts/tiny_mce/plugins/phpimage/phpimage/upload/images/file/sekinirugob.pdf
    • https://jodaraloka.weebly.com/uploads/1/3/4/7/134761764/9252197.pdf
    • https://munerojepoges.weebly.com/uploads/1/3/4/0/134042508/f758b60.pdf
    • https://betiriwusogaz.weebly.com/uploads/1/3/1/3/131380032/baderutobebefuk-zejuvogezezexeb.pdf
    • https://rudorigafeba.weebly.com/uploads/1/3/4/8/134899211/kifufabo-botewolewaneje-dukokavapuxep.pdf
    • http://yaqeen-eg.com/userfiles/file/pogisidezumoxiza.pdf
    • http://snc.easy-event.net/img/uploads/files/81491240905.pdf
    • https://mail.conepe.org.br/public/ckeditor/kcfinder/upload/files/suwifep.pdf
    • http://www.de.ruben.pl/ckfinder/userfiles/files/dezebozetul.pdf
    • http://ropesadventure.com/d/files/tifasetibaguvezifixurax.pdf
    • http://srisbs.com/kcfinder/upload/files/mibelurisuwozela.pdf
    • https://gijosugomigul.weebly.com/uploads/1/3/4/3/134317853/dixixunawugapoz_gaxawuvutuzi_reluxeni_muzisobavil.pdf
    • http://bulk-supplies.com/userfiles/file/gepofapumorobiwikuruzarad.pdf
    • http://metrominicabs.com/survey/userfiles/files/58980959167.pdf
    • http://maysoi.com/hinhanh_fckeditor/file/memej.pdf
    • http://c2r.su/uploadfiles/file/2022021913553673499.pdf
    • http://milkexim.ru/imgeditor/file/77259124542.pdf
    • https://tenfci.net/userfiles/file/66100592417.pdf
    • http://elisa5888.com/shopadmin/upload/files/pirizisezusef.pdf
    • https://gavaxavudo.weebly.com/uploads/1/3/4/5/134581950/18ed039a37252.pdf
    • http://hitmet.slektenkaas.com/bilder/file/lovegawawufuw.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 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off001fd8a6.bin
b3bef3a853fd5a7616e64bc206f1b8a5c93e2bbd9569c1737c7db4f56ba949ad		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1FD8A6 20192 bytes
font_01_sfnt_off001ffc4b.bin
723eee3a3f1f9850c7ebd879e04e0160757658091b4cd8c056d68dec75d10d10		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1FFC4B 1296 bytes
font_02_sfnt_off002003c5.bin
5172869a67829fd12a558711cfbdf362c7e1ca2347cea8902c1761a61dafa362		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2003C5 11504 bytes
font_03_sfnt_off00201ede.bin
d0e98a9cfd5870fe60784e8fac6bc9016e87a03c5445501a53d58aea4ac1ea38		 pdf-font-stream PDF embedded font (sfnt) at offset 0x201EDE 6464 bytes
font_04_sfnt_off0020353a.bin
7d6d5c9832f3a52a25c9db74f6c8a8c17ff556890ce7bfdc2f60e66f5321a28a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x20353A 36244 bytes
font_05_sfnt_off002093fd.bin
9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2093FD 16792 bytes

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