Malicious PDF — malware analysis report

Static analysis result for SHA-256 2767104d80c527b1…

MALICIOUS

PDF

75.4 KB Created: 2021-03-22 05:56:30 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 0f9a95ca2d3360c2261d546201259766 SHA-1: 8253ce87951e4957a547f0f72d66647b6a115da4 SHA-256: 2767104d80c527b1a91f92b8b1101322b6204f4207d42110801b2a395bfad564
96 Risk Score

Malware Insights

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

The PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of malicious intent. The embedded URL points to a suspicious domain, suggesting the document is designed to redirect users to a potentially harmful site. While no scripts were directly extracted, the PDF structure and embedded URLs are indicative of a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://lozipotod.ru/123?utm_term=bhakti+photo++new
    • https://cdn.sqhk.co/wavagowew/IsieAxu/wwe_championship_2020_hack.pdf
    • http://cuzinfo.ru/echo_srm-230_price6ac1s.pdf
    • http://axacheat4.xyz/4372300850939c3n.pdf
    • https://cdn.sqhk.co/gujipiror/jajahip/kejawigesudapizepube.pdf
    • http://zoomita.space/lularexajulojutepavz5tc1.pdf
    • https://cdn.sqhk.co/nuwobevina/CicXiiQ/burger_king_specials_on_whoppers.pdf
    • https://cdn.sqhk.co/xasexuwosul/jcNLihh/xijutudon.pdf
    • http://salea.site/take_the_stairs_quotesr17ny.pdf
    • https://cdn.sqhk.co/zesonixiv/a09xhc3/fisototixarudazukezuwirit.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://www.daltonmaag.com/
    • https://uploads.strikinglycdn.com/files/a497df72-f848-4026-ae74-757617474aa8/88125126415.pdf
    • https://uploads.strikinglycdn.com/files/e7f8925d-f4b5-4be1-9305-6b7d88ea6d7d/57773582544.pdf
    • http://zonadomafi.rf.gd/libros_esther_hicks.pdf
    • https://s3.amazonaws.com/vebenok/powerpoint_infographic_templates_by_visual_contenting.pdf
    • https://s3.amazonaws.com/vavebufevodutob/30559011700.pdf
    • https://uploads.strikinglycdn.com/files/a37de470-4b6d-45d4-9cd8-498b89fcadbf/goxuxorutidalifunu.pdf
    • https://uploads.strikinglycdn.com/files/c24d8099-f011-4119-9bf3-cb319bdea3af/best_solvent_for_recrystallization_of_acetanilide.pdf
    • https://uploads.strikinglycdn.com/files/51c48ed5-dc6d-405e-8f42-36391aee1118/mid_level_graphic_designer_salary_los_angeles.pdf
    • http://sadedegigagivaw.rf.gd/hom_underwear_size_guide.pdf
    • http://bedafemupoba.rf.gd/burnt_imdb_parents_guide.pdf
    • https://uploads.strikinglycdn.com/files/e13cb46e-cc99-46ec-9a87-2a8efc5f4f33/dabugavogiweriroxiruvek.pdf
    • https://s3.amazonaws.com/julexekubaj/nutcracker_march_piano.pdf
    • https://s3.amazonaws.com/bakoloj/cooking_verbs_vocabulary_matching_worksheet_1.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://scripts.sil.org/OFL

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000dc7a.bin
498a20ef81dedd601177fdebca319669aab257ff81ff8838b17e2a0062d7e74c		 pdf-font-stream PDF embedded font (sfnt) at offset 0xDC7A 4592 bytes
font_01_sfnt_off0000ec18.bin
a25cd18eb2d1c2b8d2ebe8d7afff79ccdbd016e009162f5a6e0c1c0b5a4ceb02		 pdf-font-stream PDF embedded font (sfnt) at offset 0xEC18 10804 bytes
font_02_sfnt_off0001110a.bin
9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1110A 4324 bytes

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