Malicious PDF — malware analysis report

Static analysis result for SHA-256 36223e070df6badd…

MALICIOUS

PDF

77.3 KB Created: 2021-05-05 17:54:50 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 9db8ff030325f849c76f2971e049084f SHA-1: 9c4d982029c3292f5a7d6198a42472ef3c8a8c8f SHA-256: 36223e070df6badd789d42e9663a604cad4c94515ca0c1724c9366e7e394b10f
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 0.9991

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
  • 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://fokemale.ru/strik?utm_term=what+causes+a+ge+washing+machine+not+to+drain PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4406169/normal_60672bc200505.pdfIn PDF document text
    • https://cdn.sqhk.co/jabezoxujo/gifihha/49287900582.pdfIn PDF document text
    • https://cdn.sqhk.co/farafakilof/IcgcUmz/89537153115.pdfIn PDF document text
    • http://wssummer.space/singh_is_bling_movie_bluray_480pazejb.pdfIn PDF document text
    • http://idealsit.fun/xojisada8n6y7.pdfIn PDF document text
    • https://cdn.sqhk.co/fesakesovoka/hxsjbn5/87073687220.pdfIn PDF document text
    • https://cdn.sqhk.co/pesegozod/bXhhohe/bapugoroluwevikuwoneb.pdfIn PDF document text
    • https://cdn.sqhk.co/bajafigotuvi/xmggaf8/29969827673.pdfIn PDF document text
    • https://cdn.sqhk.co/dadakafopina/ahdE1ji/7898308866.pdfIn PDF document text
    • https://cdn.sqhk.co/mamidusidozu/syghC2K/dingo_ate_my_baby_gif.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4495039/normal_60355c7d16ea1.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4465263/normal_601f07301f22a.pdfIn PDF document text
    • https://cdn.sqhk.co/suxavawudomo/ijegdia/xodeguxapajila.pdfIn PDF document text
    • https://cdn.sqhk.co/dilipokoje/e1ZIcWL/19699918379.pdfIn PDF document text
    • http://henrysavbr.site/should_or_ought_to_exercisesslol6.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/3d86bc39-6226-4ec5-aed3-2e75ce1e0b81/iliad_book_10_questions.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7f20ff17-35a2-41d1-ae6c-8e4a0e135880/introduction_to_computer_networks_and_cybersecurity_download.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/8308df3c-255c-47e3-ae71-3c1341bd8f97/2004_dodge_ram_1500_quad_cab_tire_size.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c874b97c-ca7a-4e10-908d-42bed20a819e/xafazam.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e73f02d1-f440-4def-8312-71a693f100b7/40514054504.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/45e6c8a8-4605-4c90-99b4-4a127d07f24f/29374056986.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4cdc770a-87b4-4116-a06f-abf1e558032a/luwowugif.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/87300584-4fb5-40e2-946f-410c127aea94/bezabitunogavipelutorura.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4b2fe23f-2b66-448a-bad1-8b02af9bc20f/koreforef.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/20978027-4063-4238-9e5b-1cb0db37b3fb/kidde_kn-cosm-iba_installation.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_off0000eefe.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEEFE 5424 bytes
SHA-256: 5f057ecd562fa6127036381479f7f3a6e3c4ed6df094c914c2c4c1df7ddd3674
font_01_sfnt_off0001015a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1015A 11124 bytes
SHA-256: 47fd0ab1cc38fc93439086e47b826312fb2e97dcc0da1f9b4c0d41ab0f9a07df

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