Malicious PDF — malware analysis report

Static analysis result for SHA-256 541ee4c327845fd7…

MALICIOUS

PDF

78.6 KB Created: 2021-05-04 01:15:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: ac10eb9686be4091789f4aa34996c1ed SHA-1: 093cb430b8dee430fcf5baf72084c63e5423ed80 SHA-256: 541ee4c327845fd7c20ba6e75a1134a754952aef0238d9d54b4e1f74924dcd28
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9994

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://crophysi.ru/strik?utm_term=samsung+un40eh5300+owners+manual PDF link annotation
    • http://sikakapu.medianewsonline.com/latutaw.pdfIn PDF document text
    • https://gekitudijelal.weebly.com/uploads/1/3/4/2/134265938/4994583.pdfIn PDF document text
    • https://mozawexi.weebly.com/uploads/1/3/1/8/131856146/9350991.pdfIn PDF document text
    • https://filukekab.weebly.com/uploads/1/3/4/4/134478490/robofivinava.pdfIn PDF document text
    • https://zoluwapipapak.weebly.com/uploads/1/3/5/3/135321816/wolusuvijuvik.pdfIn PDF document text
    • https://dalemugoxopil.weebly.com/uploads/1/3/4/5/134587536/6b63a75d43326.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/a72a9499-9d49-4745-9fb5-1d9243ddbe35/dominos_style_pizza_recipe_without_yeast.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/778f5b9d-c331-4add-8337-65ce068fd68a/13940355987.pdfIn PDF document text
    • https://s3.amazonaws.com/vavale/design_system_template_xd.pdfIn PDF document text
    • http://fodiwivovekuvut.epizy.com/how_do_you_charge_a_rohs_smart_bracelet.pdfIn PDF document text
    • https://s3.amazonaws.com/naxizugenabi/89084229225.pdfIn PDF document text
    • https://s3.amazonaws.com/ratixifo/beauty_instagram_template.pdfIn PDF document text
    • http://jakefubenuwep.epizy.com/jiwifozafisegur.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/bf6e53a0-b536-40a5-a75d-eb92cc5e92b0/95967563177.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7cda679b-de75-4ca3-819b-db101b522f43/how_do_i_contact_get_human.pdfIn PDF document text
    • https://s3.amazonaws.com/pexodugosa/polaritubetazin.pdfIn PDF document text
    • http://nonepajurela.rf.gd/kidis.pdfIn PDF document text
    • https://s3.amazonaws.com/vixuwogetiv/hungry_shark_evolution_hack_mod_apk.pdfIn PDF document text
    • https://s3.amazonaws.com/godewumazek/50488702054.pdfIn PDF document text
    • http://lutepotazor.onlinewebshop.net/turner_super_sidekick_for_sale.pdfIn PDF document text
    • https://s3.amazonaws.com/tuzakifezara/dreamfit_bamboo_sheets_cal_king.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f5000099-15ef-4ac9-97b3-3f7829515623/top_stoic_quotes.pdfIn PDF document text
    • http://bajawawuriz.epizy.com/diamondback_ar_15_pistol_parts.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_off0000f4b5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF4B5 5812 bytes
SHA-256: 6a7f47625e04e9f42718e56c94a74c9755959b960f1c4e3d4c0102c4212b1a04
font_01_sfnt_off0001086b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1086B 10828 bytes
SHA-256: 911f44f2d3d519d352c5bf391fcd94c9e0de2364b17efdbadd907f45a06206fb

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