Malicious PDF — malware analysis report

Static analysis result for SHA-256 eb9f7aea9387c1c7…

MALICIOUS

PDF

46.8 KB Created: 2021-05-14 13:21:35 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-15
MD5: c4c6d88cb7adab1e55e66875ba77b3c6 SHA-1: ba42a1be89f7b1958bd9a76d01600b3e83b07f14 SHA-256: eb9f7aea9387c1c76d17dcc3d8d062cfd60ee356eb59aea9ad0682f3e738a91e
170 Risk Score

Malware Insights

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

The PDF document contains a lure for 'free generator / game hack' which redirects to a malicious URL. It also instructs the user to press Win+R or paste a command, consistent with social engineering attacks designed to bypass macro restrictions. The embedded URL is a known malicious redirector, and the document body contains text related to 'Minecraft Pe Hacks' and a call to action to access a generator.

Machine Learning

  • Nyx PDF Classifier clean score 0.0123

Heuristics 5

  • 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.
  • ClickFix social engineering attack high SE_CLICKFIX
    Document instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
  • 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
  • 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/minecraft-pe-hacks-ios-game-hack In 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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00003430.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3430 25420 bytes
SHA-256: 001ee2ef7ccbfae7a5ec2364656f0d1a61e0ad2de52563bfb503d72e86372f72
font_01_sfnt_off00006eaf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6EAF 8016 bytes
SHA-256: 40d6ef5fa4ddb69b8b530b2f2762f6c14c2e848331285d95d53adf34fba4441d
font_02_sfnt_off00008823.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8823 4232 bytes
SHA-256: ab6320ab342704d2c5943abfba82ed4837bf2da871c91621741fd4cfd15c6ed5
font_03_sfnt_off000096af.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x96AF 18036 bytes
SHA-256: fbc64332b03f0750ddeb2eacbb62e3ca259962fbc5170a7e54e3809c144f3302

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