Malicious PDF — malware analysis report

Static analysis result for SHA-256 e61d6a62c5cc41c1…

MALICIOUS

PDF

171.5 KB Created: 2021-04-02 15:42:14 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: dbf9c3210945f988c784e1bbd0e5a12e SHA-1: b9f516f239cad51dd3f0e4ddb168406545a05172 SHA-256: e61d6a62c5cc41c1817800275d64cd9d379a35ca98808fa91081dbabc2e9119a
136 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is identified as malicious by ML classifiers and ClamAV, with heuristics indicating it's a PDF containing an advance-fee scam lure. An external URI pointing to a suspicious domain was extracted, suggesting a potential download or redirection to a malicious payload. No scripts were extracted, but the document's structure and content strongly indicate a phishing or scam attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9963

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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.
  • 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://midufefew.ru/wix?keyword=yukari+persona+3+dancing
    • https://cdn.sqhk.co/novimabe/bbEUhcb/povanapi.pdf
    • https://cdn.sqhk.co/fogunivugame/jfihHjf/navigation_app_android_kostenlos_chip.pdf
    • http://ziwewixowele.sportsontheweb.net/relefazuxipi.pdf
    • https://cdn.sqhk.co/suzironanes/fhcOq4q/fibafub.pdf
    • https://cdn.sqhk.co/sunalikefazo/072Ihgr/epson_iprint_fur_windows_10_free_download.pdf
    • http://appeal-ig.com/star_trek_voyager_season_2_episode_5xfe8q.pdf
    • http://lojapidabud.mypressonline.com/diganojewabisoniwapaxano.pdf
    • https://cdn.sqhk.co/moviferu/mhajbec/3d_werewolf_model.pdf
    • https://cdn.sqhk.co/kepozote/Sftm4ib/67390392648.pdf
    • http://sudilufib.getenjoyment.net/allahabad_state_university_b_ed_syllabus_2020.pdf
    • https://cdn.sqhk.co/sesexibanobu/EjaFijg/32971215926.pdf
    • https://cdn.sqhk.co/kososojog/jLdOhbD/52531682003.pdf
    • http://kevakigev.medianewsonline.com/bagexeritetuwugufu.pdf
    • https://cdn.sqhk.co/mewivupa/F1jjgi8/36712711668.pdf
    • http://bcpreactiva-enlinea.com/maze_runner_book_price_philippinesb1snc.pdf
    • https://cdn.sqhk.co/migazajigum/heiaSgi/12795099913.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://s3.amazonaws.com/labitajaxatufib/bad_guys_in_miss_peregrine.pdf
    • https://s3.amazonaws.com/nitidadufetenu/the_monkeys_paw_setting_and_mood.pdf
    • https://s3.amazonaws.com/pesetufavo/is_throne_of_glass_inappropriate.pdf
    • https://s3.amazonaws.com/kegovev/sufotukona.pdf
    • https://s3.amazonaws.com/zonivezada/how_to_make_native_american_pottery.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/
    • https://savannah.gnu.org/projects/freefont/
    • http://www.gnu.org/licenses/
    • http://www.gnu.org/copyleft/gpl.html
    • http://scripts.sil.org/OFL
    • http://dejavu.sourceforge.net
    • http://dejavu.sourceforge.net/wiki/index.php/License

Extracted artifacts 5

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0001cbf3.bin
2ce5a7286efefc5aae27ce1c31b3347e159d00bd30cf97f509a0b7f7d49caffb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1CBF3 6440 bytes
font_01_sfnt_off0001dbb8.bin
2e1460c1a1010e464ee4ddcf9c599926ac79747bc0ed53aebb55c1eb739439ed		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1DBB8 36924 bytes
font_02_sfnt_off00024ec5.bin
172ef8295dd252ea50a2ed1c536e68111623dc85c5045aa8790ccefee546a64c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24EC5 5396 bytes
font_03_sfnt_off00026131.bin
9d45b057a4547112629428bc0c61455b74b79a2bf0d1da8ab76a2ee80ea1db7a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x26131 12512 bytes
font_04_sfnt_off00028995.bin
6c511cd2548aab1566dad8f54fccf2be4cd056cf5a4d5d56937977fde9165995		 pdf-font-stream PDF embedded font (sfnt) at offset 0x28995 16132 bytes

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