Malicious PDF — malware analysis report

Static analysis result for SHA-256 fbddcc97f80a6105…

MALICIOUS

PDF

97.5 KB Created: 2022-06-10 05:24:05 +02:00 Authoring application: karygal (via PDF Master 1.0.1) First seen: 2022-07-15
MD5: b16cd9373aade5743fae2d4c1229e7b0 SHA-1: df8eb5ef678595883fb3b3699a177d3aa3c14fa4 SHA-256: fbddcc97f80a61059f15ae6889126e4295a860da92bd76b408160fb1bdfdd484
72 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a significant number of external links, indicating a link farm designed to redirect users to potentially malicious content. One critical heuristic identified a mass external PDF link farm, and another noted an external URI pointing to 'evacdir.com'. The presence of a 'download button' lure further supports the malicious intent of directing users to external resources.

Machine Learning

  • Nyx PDF Classifier clean score 0.0426

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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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/heaps.everbank.ZG93bmxvYWR8WFkyTm05dGJueDhNVFkxTkRjNE1EZzNPWHg4TWpVM05IeDhLRTBwSUhKbFlXUXRZbXh2WnlCYlJtRnpkQ0JIUlU1ZA/lamentation.litigations?TXkuSG9yc2UuQW5kLk1lLU5vQ0QuY3JhY2sgLSBJZ2VsS290dGVOTXk=preferences
    • https://apolloinstitute.com.au/moodle/blog/index.php?entryid=1232
    • http://goldenhome.info/2022/06/09/ruby-ria-bathing-each-other-pv-fantasia-models-wmv-1/
    • https://www.nesoddenhk.no/wp-content/uploads/2022/06/gaeipy.pdf
    • https://clubnudista.com/upload/files/2022/06/p3htYEBvYYtMLmqWHHYM_10_4eb866022f1a4aacc30d41733e7ae5a2_file.pdf
    • https://plumive.com/upload/files/2022/06/6T3DxdENYJE1Cu76OlAZ_10_4eb866022f1a4aacc30d41733e7ae5a2_file.pdf
    • https://ssmecanics.com/descargar-link-crack-para-colin-mcrae-dirt-2-pc/
    • https://bhatimindcare.com/wp-content/uploads/2022/06/TOP_Pdf_Matchitecture.pdf
    • http://gardenstatecomedyclub.com/?p=3630
    • http://shop.chatredanesh.ir/?p=24127
    • https://calm-lake-45993.herokuapp.com/3skeng_Pipe_Tool_Crack.pdf
    • https://secure-reaches-68799.herokuapp.com/reaviso.pdf
    • https://realtowers.com/2022/06/10/rising-kingdoms-download-full-game-free/
    • https://marcsaugames.com/2022/06/10/crack-dongle-see-electrical-expert-v4/
    • http://capacitaedu.educacao.al.gov.br/blog/index.php?entryid=449
    • https://www.coolshakers.com/wp-content/uploads/2022/06/Pocket_Tanks_Deluxe_V11_All_Packs_Up_To_Gold_Skidrow_Reloade.pdf
    • https://www.lichenportal.org/cnalh/checklists/checklist.php?clid=21519
    • https://www.thegarnichedirectory.com/wp-content/uploads/2022/06/zillis.pdf
    • http://www.male-blog.com/2022/06/09/keygen-snapter-ice-2-0-r4r/
    • https://ontimewld.com/upload/files/2022/06/f2VKFxsh5k6D2BTrTtuf_10_4eb866022f1a4aacc30d41733e7ae5a2_file.pdf
    • https://www.valenciacfacademyitaly.com/2022/06/10/hp-probook-4530s-schematic-diagram-ramones/
    • http://www.tcpdf.org
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://www.aiim.org/pdfa/ns/extension/
    • http://www.aiim.org/pdfa/ns/schema#
    • http://www.aiim.org/pdfa/ns/property#
    • http://www.aiim.org/pdfa/ns/id/

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_002_off00001a24.bin
a217f12862e0ff75203bdd4136ca0d68471050be46bb09aed5306898926ffdd4		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x1A24 120140 bytes
stream_006_off000109b1.bin
df221e87b81d1531cafdadb6c09a602e9f604d1baf0a17bbd350cbb83baa06f7		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x109B1 119072 bytes

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