Malicious PDF — malware analysis report

Static analysis result for SHA-256 1de7c3a6400590a8…

MALICIOUS

PDF

83.8 KB Created: 2021-03-23 20:55:14 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 5e4f265d0bb32f930f4e5a3f3740b2b7 SHA-1: 731485ad74b35c53849516a0c6f6f1b2a284d430 SHA-256: 1de7c3a6400590a830cd57dc1cbafc2c1cc426160a2a9550341b631d61c7b973
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 0.9992

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://botokaw.ru/aws?utm_term=what+are+the+characteristics+of+a+professional+teacher+pdf PDF link annotation
    • http://menformula.xyz/pathfinder_kingmaker_character_portraitsq06zp.pdfIn PDF document text
    • http://ufenmac.com/does_burger_king_only_serve_breakfast_in_the_morningupl1c.pdfIn PDF document text
    • http://golixudib.mypressonline.com/povoralenepiropuzomog.pdfIn PDF document text
    • http://arfeshome.com/480796619011nkhj.pdfIn PDF document text
    • http://kamaz-ftc.com/ejercicios_de_ecuaciones_cuadraticas0oufm.pdfIn PDF document text
    • http://hangzhoumetal.ru/pokmon_red_and_green_debuted_in_japanjat69.pdfIn PDF document text
    • http://yesstore.pro/what_is_the_simplified_form_of_120_100xerf8.pdfIn PDF document text
    • http://lg-supportteam.com/modals_of_possibility_and_probability_for_past_situations_-_exercise_13t3v2.pdfIn PDF document text
    • http://glasshookahcatering.com/can_you_use_a_sony_camera_as_a_webcamlk21j.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/b57d6920-5959-44cd-93df-71ce17478c50/husqvarna_chainsaw_450_rancher_chain.pdfIn PDF document text
    • https://s3.amazonaws.com/figugipopar/7526216987.pdfIn PDF document text
    • https://s3.amazonaws.com/sejakopa/tinugozo.pdfIn PDF document text
    • https://s3.amazonaws.com/tokudapele/7982822008.pdfIn PDF document text
    • https://s3.amazonaws.com/dudujopixejikug/allowance_crossword_answer.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c1058bb5-17a4-4688-a6e3-9025547dbe46/zifowasibarog.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/0f5cc75d-75f3-4fb6-86cd-39b47815745e/dirowexobapimofil.pdfIn PDF document text
    • https://s3.amazonaws.com/zodawanuror/employment_letter_of_intent.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/04cac6fc-fce7-4292-bfdf-06e037748dc9/xojawuv.pdfIn PDF document text
    • http://kavibajegis.onlinewebshop.net/wusatanuteganap.pdfIn PDF document text
    • https://s3.amazonaws.com/dakebesuvum/99722506026.pdfIn PDF document text
    • https://s3.amazonaws.com/gosete/my_cloud_home_duo_16tb_2-bay_personal_cloud.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a81e3a6e-8c5b-4671-a5c6-b2643138a441/wipepapekujinelotar.pdfIn PDF document text
    • https://s3.amazonaws.com/zidenigad/vc_andrews_heaven_movie_release_date.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

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00010a37.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10A37 5256 bytes
SHA-256: c34f2f3e7ae0c8fd0b7572da5154ce09e0a2ff69abc54a919aec836acdbf5d40
font_01_sfnt_off00011c1f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11C1F 10900 bytes
SHA-256: d4e75033ab1f4dd33d956c834f29ef4b8d9541b5a27259f40d1cb61100b86388

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