Malicious PDF — malware analysis report

Static analysis result for SHA-256 885e7e324dc02acd…

MALICIOUS

PDF

78.6 KB Created: 2021-03-07 09:14:28 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-29
MD5: b105d6a2f0ccf70c929d60120e48338e SHA-1: 64a175c10ee6ee1f8e898371e5c2769481d3f060 SHA-256: 885e7e324dc02acd41f63452fa7df66e896808ddfe79277f93090f18937f5b6d
126 Risk Score

Malware Insights

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

The PDF file contains numerous external URIs, with one prominent URL leading to a suspicious domain. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or malware delivery. The document body, though heavily obfuscated, appears to reference a treadmill manual, serving as a lure to encourage users to click the malicious link.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://xezojetit.ru/strik?utm_term=sportcraft+treadmill+tx+4.9+manual PDF link annotation
    • http://jisorozasakima.iblogger.org/58501313662.pdfIn PDF document text
    • http://runojiwum.getenjoyment.net/tenakevasitopobi.pdfIn PDF document text
    • http://bilet-pdd.site/yamaha_motorcycle_repair_near_mewqofc.pdfIn PDF document text
    • http://hydra.moscow/64165390381hiv6t.pdfIn PDF document text
    • http://fulokixowo.scienceontheweb.net/how_to_start_an_outboard_motor_without_a_key.pdfIn PDF document text
    • http://conicppjry.bid/a2212-_6t_2200kv_outrunner_brushless_motor_datasheetqid7i.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/ecddfdea-674e-4038-a526-7ebbf982cd5d/19909096112.pdfIn PDF document text
    • https://1e8c0764-4a0f-46ab-84a2-5f63a8a44928.filesusr.com/ugd/6a0acf_d972783142ff4c87aed8f49d54394d43.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/df8cf8fe-8a62-4e80-bcfe-05630eeea85e/59960966099.pdfIn PDF document text
    • https://dbb1fad9-9c05-458f-9e32-bc0b7f65d7ec.filesusr.com/ugd/451461_ddd1b95b85c8427da168e90037b34e80.pdf?index=trueIn PDF document text
    • http://fedonefekipide.myartsonline.com/pisoxo.pdfIn PDF document text
    • http://nakunefizuvodu.epizy.com/multiplication_worksheets_for_grade_4.pdfIn PDF document text
    • https://e114ad41-1367-46fe-a5fd-427bf640f69d.filesusr.com/ugd/a63c55_4f487f26c21840edb4f69431f57e03ed.pdf?index=trueIn PDF document text
    • https://8cff94d3-ecab-4ea5-ad27-d3e67d02fd32.filesusr.com/ugd/2813e2_cdc0802f92e548b0bfc4a8cc2f6fe806.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/951b01dd-ee3c-4a2c-a02e-21694fe9e6c1/scientific_experiment_lab_report_example.pdfIn PDF document text
    • http://sajoveguduv.onlinewebshop.net/94455532096.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e221c2e4-5704-420e-92fa-2eb18932ba9f/18795994652.pdfIn PDF document text
    • https://901c4554-6fda-40bf-8344-1f1538f5dc06.filesusr.com/ugd/a76634_c599d090fa594260af691de54e0c901d.pdf?index=trueIn PDF document text
    • http://kuwokezolofe.epizy.com/89137941655.pdfIn PDF document text
    • http://xujalupa.epizy.com/ski_report_hockley_valley_ontario.pdfIn PDF document text
    • https://edcb5511-827b-40b0-97c1-3499c313f96b.filesusr.com/ugd/0779a3_36d449c0f47c4633838bc007dc7ed8df.pdf?index=trueIn PDF document text
    • http://kivajujudupogij.epizy.com/blank_world_map_with_countries.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_off0000ec7a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEC7A 5572 bytes
SHA-256: a82a7082330c3ab071194e4ddf1f0f0ee4bfb7ad0675b00876e9c0248dc2cd59
font_01_sfnt_off0000ff6f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFF6F 13676 bytes
SHA-256: 805aa49f6613d978407694154679cf0a5f343587e372c92682118d147f15c219

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