Malicious PDF — malware analysis report

Static analysis result for SHA-256 1e4bcf8fa06d1984…

MALICIOUS

PDF

37.2 KB Created: 2021-05-25 10:07:54 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 118a25f692ea068ef60cdf7bec0b40e2 SHA-1: 59b57937fe6b92f19373e41f6c9e5b38edbc2dcc SHA-256: 1e4bcf8fa06d1984cb9aa634e7824461261963bf0c118d4e8afe1502077430ae
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links, including one identified as a malicious redirector leading to 'best-free-minecraft-server-hosting-game-hack'. The document body also contains text and links related to game hacks and generators, indicating a social engineering lure. The presence of embedded URLs and the nature of the lures suggest an attempt to direct users to potentially harmful websites, likely for further exploitation or malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9988

Heuristics 3

  • PDF links to a 'free generator / game hack' redirector critical PDF_GAME_HACK_REDIRECT_LURE
    PDF's clickable action targets a redirector of the form /app/<id>/<slug>-game-hack — the landing-page shape of a large SEO 'free spins / generator / game hack' lure family that funnels victims through rotating disposable hosts to a malware/scam payload. The multi-link variants also trip ML/link-farm rules; this catches the single-link variants that otherwise score clean. CRITICAL on its own: the /app/<id>/<slug>-game-hack path shape is unambiguous scam infra, and the host rotates so a host-list match can't be relied on.
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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 https://netcdn.xyz/app/479516143/best-free-minecraft-server-hosting-game-hack In PDF document text
    • http://cbt.man1metro.sch.id/__statics/gudangsoal/files/minecraft-for-ipad-free_GM479516143.pdfIn PDF document text
    • http://cbt.man1metro.sch.id/__statics/gudangsoal/files/free-tiktok-accounts_GM835599320.pdfIn PDF document text
    • http://cbt.man1metro.sch.id/__statics/gudangsoal/files/free-spin-coin-master-2021-link_GM406889139.pdfIn PDF document text
    • http://cbt.man1metro.sch.id/__statics/gudangsoal/files/free-promo-codes-for-robux_GM431946152.pdfIn PDF document text
    • http://cbt.man1metro.sch.id/__statics/gudangsoal/files/rbxoffers-com-free-robux_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

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

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000335d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x335D 28332 bytes
SHA-256: dec887b90f2984d7be1115b37144fd768a2d2745e1c57afbc0c75d8e44704418
font_01_sfnt_off000073df.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x73DF 18328 bytes
SHA-256: 0b2d28431e5234c57104fb234e5f183f246f5a4819408a3d571d7ab08b18c1e5

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