Malicious PDF — malware analysis report

Static analysis result for SHA-256 258130b026d9c211…

MALICIOUS

PDF

123.8 KB Created: 2022-10-15 14:57:46 +00:00 Authoring application: wernhand (via PDF Master 1.0.1) First seen: 2026-07-12
MD5: 74718fd693cdd1bf05c806deb89e2cd4 SHA-1: 038611f5dc8501b78ba905d316d798af11a8443c SHA-256: 258130b026d9c211640ccf4ab458dfc8f717b653bee034052a6e084122aad16d
104 Risk Score

Machine Learning

  • Nyx PDF Classifier clean score 0.0006

Heuristics 4

  • Cracked-software lure uses shortlink/download gateway critical PDF_CRACKED_SOFTWARE_SHORTLINK_LURE
    PDF visible text advertises a crack, serial number, archive, or pirated-software download and pairs it with a shortlink or encoded download gateway. This is a high-confidence social-engineering carrier for unwanted software or droppers; the PDF itself is not a parser exploit.
  • PDF links to a cracked-software download doorway (base64-obfuscated) high PDF_CRACKED_SOFTWARE_DOWNLOAD_DOORWAY
    PDF's embedded link hides a pirated-software title as a base64 blob inside the URL path/query (and/or carries the ``download|`` doorway-template marker), rather than in visible text. This is a TCPDF-generated SEO doorway that ranks for software-piracy searches and funnels users to fake 'crack/keygen' download pages distributing adware, potentially-unwanted programs, or droppers. The base64 encoding is deliberate obfuscation to evade plaintext lure rules; the PDF itself carries no parser exploit — the risk is the linked crack-download destination.
  • 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://bestsmartfind.com/masturbating/montego/buono/clasps/exhorting.ZG93bmxvYWR8SUE1YkdOMGQzeDhNVFkyTlRjek16ZzBNWHg4TWpVNU1IeDhLRTBwSUZkdmNtUndjbVZ6Y3lCYldFMU1VbEJESUZZeUlGQkVSbDA.pappadam..TWluZWNyYWZ0IFZvaWQgTGF1bmNoZXIgQ3JhY2tlZCA1MQTWl PDF link annotation
    • https://www.steppingstonesmalta.com/supermariobroscrossover3121offlinecodex/In PDF document text
    • https://www.smc-sheeva-marketing-co-ltd.com/advert/dvbviewer-5-3-2-april-with-hbbt-by-takki-full/In PDF document text
    • https://conbluetooth.net/wp-content/uploads/2022/10/Recovermyfileslicensekeyv402rapidshare.pdfIn PDF document text
    • https://stromata.co/wp-content/uploads/2022/10/ipi_motion_capture_2_0_keygen_torrent.pdfIn PDF document text
    • https://ozrural.com/index.php/advert/command-and-conquer-red-alert-2-free-better-download-full-game-for-21/In PDF document text
    • https://sarahebott.org/bojanke-za-printanje-pdf-free-high-quality/In PDF document text
    • https://ccptwo.com/?p=45043In PDF document text
    • https://superstitionsar.org/earth-explorer-50-keygen-best/In PDF document text
    • https://laissezfairevid.com/wp-content/uploads/2022/10/caibui.pdfIn PDF document text
    • https://classifieds.cornerecho.com/advert/unwasted-my-lush-sobriety-pdf-download-exclusive/In PDF document text
    • http://bestsmartfind.com/masturbating/montego/buono/clasps/exhorting.zg93bmxvywr8sue1ykdomgqzedhnvfkytlrjek16zzbnwhg4twpvnu1iedhlrtbwsuzkdmntundjbvz6y3lcyldfmu1vbejesuzzeulgqkvsbda.pappadam..twluzwnyywz0ifzvawqgtgf1bmnozxigq3jhy2tlzca1mqtwlIn 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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_009_off00018b7e.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x18B7E 119072 bytes
SHA-256: df221e87b81d1531cafdadb6c09a602e9f604d1baf0a17bbd350cbb83baa06f7
font_00_sfnt_off0000102f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x102F 84508 bytes
SHA-256: 2b7ba551bea82cc3307397981c1dbeb1b78486f95f2eb14e5e58d4e1b24edb0c
font_01_sfnt_off0000981b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x981B 83036 bytes
SHA-256: 6d13e73e85a502a13969f6a5eaecd0b275a0868c045f80b7d64ed55d70678261

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