Malicious PDF — malware analysis report

Static analysis result for SHA-256 a37fb3e9a4d59422…

MALICIOUS

PDF

123.3 KB Created: 2022-11-24 07:18:32 +00:00 Authoring application: miqrani (via PDF Master 1.0.1) First seen: 2026-05-02
MD5: c07cea34a8608b79d19657146335da20 SHA-1: 82ea3402f649a7ef74f0904e1226c41cb5a4edfc SHA-256: a37fb3e9a4d59422daaaacc6e911568ccaeac5fb820a28de535b8a1884fef456
129 Risk Score

Machine Learning

  • Nyx PDF Classifier clean score 0.0006

Heuristics 5

  • 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.
  • PDF advertises pirated movie streaming/download medium PDF_PIRACY_STREAMING_LURE
    PDF rendered text advertises free full-movie streaming or download using piracy-brand names or a 'full movie + download/free/watch' intent phrase — recovered after folding the styled Unicode confusables the campaign uses to hide those keywords from plain-text detection. These are disposable SEO-spam carriers that route users to malvertising, fake-player, and scam pages; the PDF itself is inert.
  • 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://bestentrypoint.com/cettap.dimning/frazzled.piggybacking.ZG93bmxvYWR8d1o4YURkd2ZId3hOalk1TWpjek1EQTBmSHd5TlRrd2ZId29UU2tnVjI5eVpIQnlaWE56SUZ0WVRVeFNVRU1nVmpJZ1VFUkdYUQ/reccommend/simplex/heller.d2luZG93cyA4IGxvYWRlciBpbmRpciBnZXpnaW5sZXJiZmRjbQd2l PDF link annotation
    • https://www.bridgeextra.com/wp-content/uploads/2022/11/Afinsa_Catalogo_2013_Ver_Online.pdfIn PDF document text
    • https://katrinsteck.de/wp-content/uploads/Avast_Free_Antivirus_2016_11222551698_Beta_TEAM_OS__Download_REPACK.pdfIn PDF document text
    • https://xn--80aagyardii6h.xn--p1ai/free-download-film-khalid-bin-walid-subtitle-indonesia-_top_-2/In PDF document text
    • http://applebe.ru/2022/11/24/the-best-of-me-full-movie-hindi-dubbed-download-free/In PDF document text
    • https://engagementlandschaft.de/wp-content/uploads/2022/11/HD_Online_Player_Piranha_3d_2010_Hindi_Dubbed_Movie_F.pdfIn PDF document text
    • https://sweetangels.in/wp-content/uploads/2022/11/wendfot.pdfIn PDF document text
    • http://www.giffa.ru/who/freastern-sage-and-sarah-together-sage-set-45-and-2-bonus-s/In PDF document text
    • https://shalamonduke.com/sims-3-razor1911-crack-download-repack-2/In PDF document text
    • https://moronencaja.com/wp-content/uploads/2022/11/tag_comercio_SERIAL.pdfIn PDF document text
    • https://amnar.ro/virtualdj-pro-7-4-build-449-final-upd-cracked-aceupd-crack-by-chingliu/In PDF document text
    • http://localhost/sitemap/sitemap.xmlIn PDF document text
    • http://bestentrypoint.com/cettap.dimning/frazzled.piggybacking.zg93bmxvywr8d1o4yurkd2zid3hoalk1twpjek1eqtbmshd5tlrrd2zid29uu2tnvji5evpiqnlawe56suz0wvrvefnvru1nvmpjz1vfukdyuq/reccommend/simplex/heller.d2luzg93cya4igxvywrlcibpbmrpcibnzxpnaw5szxjizmrjbqd2lIn 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_off00018930.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x18930 119072 bytes
SHA-256: df221e87b81d1531cafdadb6c09a602e9f604d1baf0a17bbd350cbb83baa06f7
font_00_sfnt_off00000de1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDE1 84508 bytes
SHA-256: 2b7ba551bea82cc3307397981c1dbeb1b78486f95f2eb14e5e58d4e1b24edb0c
font_01_sfnt_off000095cd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x95CD 83036 bytes
SHA-256: 6d13e73e85a502a13969f6a5eaecd0b275a0868c045f80b7d64ed55d70678261

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