Malicious PDF — malware analysis report

Static analysis result for SHA-256 94a536446f555394…

MALICIOUS

PDF

73.8 KB Created: 2021-03-30 21:00:51 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 1301afca4ab31ab11b5e412b26fbdd79 SHA-1: 2c6b9ff8bde6d507b89fa3da578a9bb92dc8832b SHA-256: 94a536446f5553944495999e56107689cc25455cf79e29a446e3ce151b2349a3
96 Risk Score

Malware Insights

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

This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains an embedded URI pointing to a suspicious domain, which is likely intended to host a malicious payload or redirect the user to a phishing site. The document body, though heavily obfuscated, contains keywords related to a manual search, suggesting a lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9990

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://mezovuduw.ru/wix?keyword=bissell+spotlifter+manual
    • https://cdn.sqhk.co/mepapogivoma/hfigCmO/jovozilu.pdf
    • https://cdn.sqhk.co/kujotukil/cidjaum/ccleaner_pro_terbaru_2018.pdf
    • https://cdn.sqhk.co/rowagana/ggejhih/49495739441.pdf
    • https://cdn.sqhk.co/jomonufo/hficihu/32920718162.pdf
    • https://cdn.sqhk.co/dagorabowixu/wij4BP1/faramugavena.pdf
    • https://cdn.sqhk.co/ponesigis/jmSicih/orange_tree_golf_club_homes_for_sale.pdf
    • http://bejisosubonito.sportsontheweb.net/peposolewoja.pdf
    • https://cdn.sqhk.co/gutinisiv/ggVfnji/spin_the_bottle_online_app.pdf
    • https://cdn.sqhk.co/busumodofu/ijujggu/5680359537.pdf
    • https://cdn.sqhk.co/savimatuv/h3icL61/animetal_usa_w.pdf
    • https://cdn.sqhk.co/sadirorig/1jikggl/exorbitant_make_a_sentence.pdf
    • https://cdn.sqhk.co/kifuzopeko/jji5yib/18222577469.pdf
    • https://cdn.sqhk.co/numovasovev/wheiasB/sozuvovesopisogorodezuma.pdf
    • https://cdn.sqhk.co/zobarimumuje/9jcjjig/cube_wars_battle_survival_descargar.pdf
    • http://suvolupijiro.mygamesonline.org/candide_voltaire_franais.pdf
    • https://cdn.sqhk.co/neseleko/iJhg5Mb/adding_presets_to_lightroom_mobile_app.pdf
    • https://cdn.sqhk.co/tidaxetosi/cMbjgHY/passion_fruit_green_tea_bubble_tea_recipe.pdf
    • https://cdn.sqhk.co/limizolaxa/ijjbhgA/benji_bananas_mod_apkpure.pdf
    • https://cdn.sqhk.co/tegiriwepaj/fVNijib/93145770677.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://danebusuji.onlinewebshop.net/arabian_nights_stories_in_gujarati_free_download.pdf
    • https://uploads.strikinglycdn.com/files/b0a256da-5ee5-41ef-ad5d-b9bcf75b6a4a/sukukigemuvilep.pdf
    • https://uploads.strikinglycdn.com/files/fb5756d2-43c3-4453-8c34-a2ae68045988/musical_notes_tattoos_shoulder.pdf
    • https://uploads.strikinglycdn.com/files/23b1219a-f100-440d-a3c3-2b79d339ea17/is_nesquik_strawberry_milk_good_for_you.pdf
    • https://uploads.strikinglycdn.com/files/0f5cb720-6ea8-40f0-a1af-5dcd9915a753/rabonedazoja.pdf
    • http://zakexukosogu.atwebpages.com/chassis_design_book.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e16a.bin
3bb8050cdf7d7f2b94fb4207fd60a25741291974c4784cebdbda61c43289790c		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE16A 5096 bytes
font_01_sfnt_off0000f2a7.bin
1bdef0df82f378e09209f2fa606582e8ae6814ed4f4e54b084f9725ea9ec3697		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF2A7 10836 bytes

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