Malicious PDF — malware analysis report

Static analysis result for SHA-256 900040862daf27f5…

MALICIOUS

PDF

124.7 KB Created: 2022-06-09 23:12:10 +02:00 Authoring application: girrhel (via PDF Master 1.0.1) First seen: 2022-07-15
MD5: 67ea34cc9330dff35b901b804c16a210 SHA-1: f431e556daa8b7e5c78cbf2cd546374b9b12b65f SHA-256: 900040862daf27f526ee68cc0909b563afd31941b20c6accd58bb33ea973e77a
94 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, many of which are identified as advertising cracked or pirated software. One of the primary links points to a URL that appears to be a download for a second-stage payload. This suggests the document is designed to trick users into downloading malicious software disguised as cracked software.

Machine Learning

  • Nyx PDF Classifier clean score 0.0203

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/tunable/QXN0ZXJpeCBFIE9iZWxpeCAtIE1pc3NhbyBDbGVvcGF0cmEgKER1YmxhZG8pLmF2aQQXN/ZG93bmxvYWR8U0Y3Wm0xMllYeDhNVFkxTkRjNE1EYzROM3g4TWpVM05IeDhLRTBwSUhKbFlXUXRZbXh2WnlCYlJtRnpkQ0JIUlU1ZA?reconfiguring=befringes.elapsing PDF link annotation
    • https://kjvreadersbible.com/download-crack-ukts-bus-mod-indonesial-free/In PDF document text
    • https://likesmeet.com/upload/files/2022/06/qSXZhpx8c3oGjWujNeJj_09_3403b190a1d561f8a227d708c6a4a7dd_file.pdfIn PDF document text
    • https://baptizein.com/upload/files/2022/06/E8fEKGVarIVvf7qb9mFR_09_6a9552d129089fa2d92c868c6edf22ce_file.pdfIn PDF document text
    • https://ictlife.vn/upload/files/2022/06/8YB1MOvRC8aGpiyf4zqt_10_3403b190a1d561f8a227d708c6a4a7dd_file.pdfIn PDF document text
    • https://totoralillochile.com/advert/its-quiz-time/In PDF document text
    • https://hobiz.s3.amazonaws.com/upload/files/2022/06/Ed8SSh229ZGvRlBgwodh_09_51848f01869b3fa44155684d850f4cc9_file.pdfIn PDF document text
    • https://favelasmexican.com/2022/06/09/advanced-mp3-catalog-pro-v3-36-avec-serial-download-pc/In PDF document text
    • http://svm.od.ua/advert/swtor-expired-codes-a-fixed-guild-wars-code/In PDF document text
    • https://lobenicare.com/download-hitman-movie-in-mp4-dubbed-hindi/In PDF document text
    • https://www.travelmindsets.com/nod-antivirus-10-serial-key/In PDF document text
    • https://www.theblender.it/xdcam-hd-422-codec-download-premiere-patched-free/In PDF document text
    • https://www.vialauretanasenese.it/download-lks-matematika-kelas-6-sd-semester-1/In PDF document text
    • http://doyousue.com/?p=82627In PDF document text
    • https://www.aussnowacademy.com/download-keygen-xforce-for-flame-assist-2015-free-download/In PDF document text
    • https://happyfarmer.clickhost.nl/advert/secret-files-3-patch-fr-link/In PDF document text
    • https://northshorerealtysanpancho.com/advert/x-force-fix-keygen-adobe-cs6-master-collection/In PDF document text
    • https://www.yapi10.com.tr/upload/files/2022/06/86t1oqnXmZR2B6UEwI3T_09_02c4e2b6722b6920684a851a1758c45f_file.pdfIn PDF document text
    • https://u-ssr.com/upload/files/2022/06/pGDT81TvgSZaqZc5rx4n_09_afd46ca87087fa538603d131bd802567_file.pdfIn PDF document text
    • http://noticatracho.com/?p=20295In PDF document text
    • https://spacezozion.nyc3.digitaloceanspaces.com/upload/files/2022/06/RGFPUYlhzpmLBZ88dbW6_09_6a9552d129089fa2d92c868c6edf22ce_file.pdfIn 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

Related samples 8

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

Full JSON: related samples API

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_002_off000010e6.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x10E6 120304 bytes
SHA-256: 238e9c059c23132246e933a81ac501b1009b281c7872984817b5d76e9598d5bc

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