Malicious PDF — malware analysis report

Static analysis result for SHA-256 c5472892525dc518…

MALICIOUS

PDF

72.0 KB Created: 2021-02-15 15:53:57 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-06-04
MD5: 1047a4a5f81bcd7a2dbca2510c8d6739 SHA-1: d83028dd200182d97b1ea517aa2b30486d38122b SHA-256: c5472892525dc518c47446e6843b96300fb8a51d9ba3f7ade5afc71247f0de48
154 Risk Score

Malware Insights

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

The sample was flagged by multiple heuristics, including a critical alert for linking to a known malicious redirector. The ML classifier also assigned a high probability of maliciousness. The embedded URL `https://crophysi.ru/wix?keyword=ragnarok+online+mage+leveling+guide` is the primary indicator of malicious intent, suggesting a phishing or credential harvesting attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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://crophysi.ru/wix?keyword=ragnarok+online+mage+leveling+guide In PDF document text
    • http://zdsshop.top/kugugewimifuxesilamafebugmuehg.pdfIn PDF document text
    • http://reactivascotia2020.com/dragon_block_c_recipes2757c.pdfIn PDF document text
    • http://yogait.space/708719972011mj7.pdfIn PDF document text
    • http://bluebadge-support.com/371158819949nwnq.pdfIn PDF document text
    • http://grinallex.shop/bisosubam00orv.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/latufenaw/brookfield_renewable_energy_partners_lp_annual_report.pdfIn PDF document text
    • https://s3.amazonaws.com/kovezux/work_cited_mla_format_textbook.pdfIn PDF document text
    • https://s3.amazonaws.com/tiluwisulepam/rumumapufaloz.pdfIn PDF document text
    • https://s3.amazonaws.com/bufipevuril/android_9._0_emulator_online.pdfIn PDF document text
    • http://finuximiwogum.rf.gd/zijovof.pdfIn PDF document text
    • https://s3.amazonaws.com/sutawowirosuvuv/moh_moh_ke_dhaage_song_video.pdfIn PDF document text
    • https://s3.amazonaws.com/ribowexulo/bloc_quebecois_platform_2018_english.pdfIn PDF document text
    • https://s3.amazonaws.com/vexeliku/lutolelenoxurojofijel.pdfIn PDF document text
    • http://junenizexi.epizy.com/crosswords_with_friends_answers_9_29_18.pdfIn PDF document text
    • https://s3.amazonaws.com/jokotaziweluge/rasopavenewizonobi.pdfIn PDF document text
    • https://s3.amazonaws.com/godoremitiwuja/natoxopewutuduwowajeli.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_off0000de37.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDE37 5100 bytes
SHA-256: bcba39c5e3d76f313daf2100bf0e6f4dc5c711e78e5b23825d52af7db867d7d9
font_01_sfnt_off0000ef89.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEF89 10404 bytes
SHA-256: 6e526da73d5f7a7b2a5aef790af466906bbff9db623658c52bc5788413618270

Open this report in the interactive analyzer, or submit your own file for analysis.