Malicious PDF — malware analysis report

Static analysis result for SHA-256 616ce4adb5266789…

MALICIOUS

PDF

64.9 KB Created: 2021-02-17 11:06:53 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-07-13
MD5: 0b80219e377de98290e7411d282a3e63 SHA-1: 342a538a76c056d079ea10d233a7ac51eda2c456 SHA-256: 616ce4adb52667893f28ff80bb03cdbcb134d007c9c927d408caff7380f0fac3
96 Risk Score

Malware Insights

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

The file was detected as malicious by ML classifiers and ClamAV, specifically as a phishing trojan. It contains an embedded URL pointing to a suspicious domain, which is a common tactic for phishing or malware distribution. The document body, though heavily obfuscated, suggests a lure related to 'Rca galileo pro 11.5'. No scripts were extracted, but the presence of external URIs and the overall detection profile strongly indicate a phishing or credential harvesting attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://leonvi.ru/123?utm_term=rca+galileo+pro+11.5 PDF link annotation
    • https://cdn.sqhk.co/volumusigu/Gi7igiW/playstation_network_login_failed.pdfIn PDF document text
    • http://ital-tess.space/australia_crpd_reporta6qja.pdfIn PDF document text
    • http://heartcenteredequestrian.com/the_archers_bbc_soundszl33v.pdfIn PDF document text
    • https://cdn.sqhk.co/xejudawadoni/jajb7Ir/brutal_death_metal_radio_online.pdfIn PDF document text
    • http://grampus-shop.com/xibodowoxanumavilisebodos6jd5.pdfIn PDF document text
    • http://dnepr24.info/cummins_n14_celect_ecm_wiring_diagram2cj4l.pdfIn PDF document text
    • https://cdn.sqhk.co/mogizilo/Ju5hcW7/free_slots_casino_games_to_play.pdfIn PDF document text
    • http://lusaxesa.iblogger.org/55577726432.pdfIn PDF document text
    • http://robinmani.site/damunagodovi5dcvb.pdfIn PDF document text
    • https://cdn.sqhk.co/fowijuseziju/5ggNjib/64463043974.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/bomifabipi/51120276677.pdfIn PDF document text
    • https://s3.amazonaws.com/gorajikunobixi/webefik.pdfIn PDF document text
    • http://faxumigupep.rf.gd/formule_chimique_bisulfite_de_potassium.pdfIn PDF document text
    • https://s3.amazonaws.com/peveziwoguxuzam/dogojapanesizujulep.pdfIn PDF document text
    • http://jokiperone.epizy.com/mobogenie_old_version_apk.pdfIn PDF document text
    • https://s3.amazonaws.com/xakajoziwibi/strategy_game_android.pdfIn PDF document text
    • https://s3.amazonaws.com/belapawerezuju/android_set_background_image_transparent_programmatically.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000b4fe.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB4FE 5136 bytes
SHA-256: 282a1583850c1ceb09a98e1c9aa3208d80550ed7f853d93954733747a3faba64
font_01_sfnt_off0000c69e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC69E 14724 bytes
SHA-256: e1ae0485ec226e94057e7892cdc44c94af37593069e4fe5806242030f3a48d82

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