Malicious PDF — malware analysis report

Static analysis result for SHA-256 08183c47edc25f5c…

MALICIOUS

PDF

38.4 KB Created: 2021-05-22 23:38:20 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-13
MD5: 64d9abee7eabf1a11a553c9fd4f520cf SHA-1: 571db9c9e3cac4f08ff16f8b1c195b0a17ca9075 SHA-256: 08183c47edc25f5c384e9627b145c6e9251a0fe3f1dc15e17d4b970870b046b8
160 Risk Score

Malware Insights

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

The PDF contains multiple links to known malicious redirectors, disguised as game hacks and generators. The document body explicitly mentions 'Minecraft Pe Free Download Ios No Jailbreak' and includes a 'CLICK HERE TO ACCESS MINECRAFT GENERATOR' call to action, directly leading to the malicious URL. The ML classifier also strongly indicated maliciousness.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9407

Heuristics 4

  • 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.
  • 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-free-download-ios-no-jailbreak-game-hack In PDF document text
    • http://sports-service.com/images/hacks-for-minecraft-bedrock_GM479516143.pdfIn PDF document text
    • http://sports-service.com/images/free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://sports-service.com/images/coin-master-fan-hack_GM406889139.pdfIn PDF document text
    • http://sports-service.com/images/coin-master-hack-apk-35-18_GM406889139.pdfIn PDF document text
    • http://sports-service.com/images/can-you-earn-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
stream_002_off000033cb.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x33CB 28236 bytes
SHA-256: 2534bdf9cce24f745d5eaac48d9e6add128d5591a1e5b43c0298e06c95336ba1
font_01_sfnt_off000072f2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x72F2 18940 bytes
SHA-256: 384c56943b2f0ce7dd032d42d48bdddf0ac3b313714fbbfa672311f45c441041

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