Malicious PDF — malware analysis report

Static analysis result for SHA-256 d583b2915182b7b1…

MALICIOUS

PDF

76.4 KB Created: 2021-03-05 00:28:41 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 362a54bd93d167022a8316bcc2f79331 SHA-1: 77552bdee0f9351c08f04db0d62261c03ff376a3 SHA-256: d583b2915182b7b1764f66574cde9af7a70d3067f80a54030827eb3491bd5cfb
96 Risk Score

Malware Insights

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

The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains an embedded URI pointing to 'soxebez.ru', which is likely used to host a phishing page or download a secondary payload. The document body, though heavily obfuscated, suggests a lure related to voltage stabilizers, a common tactic for phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9993

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://soxebez.ru/123?utm_term=porque+n%25C3%25A3o+usar+estabilizador
    • http://robertferrell.net/mogibitivajiwzezg.pdf
    • https://cdn.sqhk.co/vufebevefo/FPidHjf/emergency_chatham_kent.pdf
    • http://kodimovizi.22web.org/rarijugamujupewi.pdf
    • http://wonuwomola.iblogger.org/wexuseladajojitokula.pdf
    • https://cdn.sqhk.co/xavexapoxiv/jANKXhj/monster_hunter_rise_collector_s_edition_walmart.pdf
    • https://cdn.sqhk.co/lodesejidi/Zhhghib/the_elder_scrolls_blades_switch_trailer.pdf
    • http://callup.today/xanirijojokarusedesedivtqv0u.pdf
    • http://hook-up.fun/shelter_in_place_order_texasr2f6x.pdf
    • http://findssldz.xyz/horton_hears_a_who_2008_movies_anywhereg1vcc.pdf
    • http://pimuxiv.22web.org/dunewagalerejobidanadadiz.pdf
    • https://cdn.sqhk.co/ludozenidi/hhShghc/9907231822.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://uploads.strikinglycdn.com/files/c3f4a217-4c11-499c-b731-37aaf2aaf26a/bushnell_neo_ghost_golf_gps_manual.pdf
    • http://nowivopikuzud.epizy.com/poe_arc_witch_guide.pdf
    • http://fevunurinowigi.epizy.com/what_does_the_girl_scout_law_mean.pdf
    • https://uploads.strikinglycdn.com/files/e6e1f438-cd8f-461d-86d9-557a017f4a98/perdon_chiquis_rivera_book.pdf
    • http://rovuwuruw.epizy.com/vupiveruludebopoxib.pdf
    • http://jawevobafepen.epizy.com/zoxefumerak.pdf
    • https://uploads.strikinglycdn.com/files/13334c56-4455-4a14-a725-fbe1cb4a078a/does_samsung_a10_have_good_camera.pdf
    • http://meperaxatexuwib.epizy.com/rinnai_solar_hot_water_systems_prices.pdf
    • http://vuwepimu.epizy.com/68918579859.pdf
    • http://busugotuwege.epizy.com/lifonajivizodivinuvez.pdf
    • http://damewanobojojo.rf.gd/filmora_outro_template_free.pdf
    • https://uploads.strikinglycdn.com/files/1b20f759-a10b-485e-b055-919956c968a6/sadlier_vocabulary_workshop_level_b_answers_unit_1_completing_the_sentence.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_off0000e8a0.bin
2939dfe9c1190cee878f18d8599ea349623a99242caccfe0202bbee50afd0fc8		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE8A0 5452 bytes
font_01_sfnt_off0000faa5.bin
6ab32a63f9053609a2a30e6b7b473d8056ac242c35ed091249a1932f3dd1de39		 pdf-font-stream PDF embedded font (sfnt) at offset 0xFAA5 13152 bytes

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