Malicious PDF — malware analysis report

Static analysis result for SHA-256 bbfd8a7f87ec002f…

MALICIOUS

PDF

134.4 KB Created: 2022-06-10 05:23:20 +02:00 Authoring application: leaingl (via PDF Master 1.0.1) First seen: 2022-07-15
MD5: b50fe1923d0a775df1c0bc6dbb08bf20 SHA-1: 98cd3163ee2b01c783ebcb50a42ec799984c3267 SHA-256: bbfd8a7f87ec002ff0ba0a2f2f5b9cab15e141812d30af5cf3962b252637e2f7
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF file contains a large number of external links, many of which are advertised as cracked software. One of the embedded URLs, http://evacdir.com/..., appears to be a download link for a malicious file. The document's structure and the nature of the links suggest it is used to distribute malware disguised as software cracks or pirated content.

Machine Learning

  • Nyx PDF Classifier clean score 0.0048

Heuristics 4

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • PDF link farm advertises cracked/pirated software medium PDF_CRACKED_SOFTWARE_LURE
    PDF contains many clickable links whose targets use cracked-software, keygen, serial-key, or warez vocabulary. These are SEO-spam lure documents that rank for software-piracy searches and route users to fake 'crack' download pages distributing potentially-unwanted programs, adware, or droppers. The PDF itself carries no exploit — the risk is the linked destinations.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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 http://evacdir.com/besides/chipped/ZW12IHNvZnR3YXJlIHY4ZW1.subdue/ZG93bmxvYWR8Zng4Tm01cWRYeDhNVFkxTkRjNE1EZzNPWHg4TWpVM05IeDhLRTBwSUhKbFlXUXRZbXh2WnlCYlJtRnpkQ0JIUlU1ZA/energised/narace/soundness/ PDF link annotation
    • https://rednails.store/wp-content/uploads/2022/06/Chaar_Sahibzaade_Movie_Download_720p_69.pdfIn PDF document text
    • https://moodle.ezorock.org/blog/index.php?entryid=1129In PDF document text
    • https://www.valenciacfacademyitaly.com/wp-content/uploads/2022/06/heajoce.pdfIn PDF document text
    • https://fortymillionandatool.com/?p=7335In PDF document text
    • http://dichvuhoicuoi.com/geocad-full-indir/In PDF document text
    • https://www.gossipposts.com/wp-content/uploads/2022/06/cassyasm.pdfIn PDF document text
    • https://www.lion.tech/wp-content/uploads/2022/06/Winpcsign_Pro_Crack_NEW.pdfIn PDF document text
    • https://speakerauthorblueprint.com/wp-content/uploads/2022/06/WPS_Office_2016_Premium_10207_Serial_Key_keygen.pdfIn PDF document text
    • https://bascomania.com/wp-content/uploads/2022/06/FaceSwapper_11_Keygen_NEW.pdfIn PDF document text
    • https://www.hony.nl/wp-content/uploads/Schaums_Outline_Of_Data_Structures_Easy_Book_PDF.pdfIn PDF document text
    • https://oursocial.io/upload/files/2022/06/i7GEQV8RxIGiH7cFYRaK_10_3fae3e2836d57259e32f5f138fef0507_file.pdfIn PDF document text
    • http://eventaka.com/?p=6623In PDF document text
    • https://dragonsecho.com/wp-content/uploads/2022/06/bulk_sms_sender_28_full_crack_software.pdfIn PDF document text
    • https://ryansellsflorida.com/wp-content/uploads/2022/06/DownloadsAddonsMods__Cars__2019_black_friday.pdfIn PDF document text
    • https://ipa-softwareentwicklung.de/wp-content/uploads/2022/06/Download_Free_Movie_Pirates_Of_The_Caribbean_On_Stranger_Tides_In_Hindi_FULL.pdfIn PDF document text
    • https://mugstand.com/?p=3053In PDF document text
    • https://pk-luggage.com/wp-content/uploads/2022/06/PATCHED_Adobe_Reader_X64_Fixes_V3001_LINK.pdfIn PDF document text
    • https://www.inscriu.ro/wp-content/uploads/2022/06/sia_smaart_live_7_crack_download.pdfIn PDF document text
    • https://learnpace.com/petnaestogodisnji-kapetan-zil-vern-pdf-free-repack/In PDF document text
    • https://ipa-softwareentwicklung.de/wp-In PDF document text
    • https://bascomania.com/wp-content/uploads/2022/06/faceswapper_11_keygen_new.pdfIn PDF document text
    • https://moralesjana83.wixsite.com/glycfirunde/post/video-devicesIn PDF document text
    • http://www.tcpdf.orgIn 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/xap/1.0/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://www.aiim.org/pdfa/ns/extension/In PDF document text
    • http://www.aiim.org/pdfa/ns/schema#In PDF document text
    • http://www.aiim.org/pdfa/ns/property#In PDF document text
    • http://www.aiim.org/pdfa/ns/id/In PDF document text
🗂 Part of campaign: secureserver.net 1471 samples

Related samples 8

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Full JSON: related samples API

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_010_off00003674.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3674 120140 bytes
SHA-256: a217f12862e0ff75203bdd4136ca0d68471050be46bb09aed5306898926ffdd4

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