Malicious PDF — malware analysis report

Static analysis result for SHA-256 d40348980d976d9c…

MALICIOUS

PDF

39.2 KB Created: 2021-05-24 01:49:28 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: aff09ec71bdbc3cf25ef022f30581132 SHA-1: 29e7baccee2eed5bc151f60ce8ecf5aa8fd780eb SHA-256: d40348980d976d9cc81e6ab206bc5b9c73d34b658d267548b3b16afc7daaebb6
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple embedded URLs, with a primary focus on a 'free generator / game hack' lure. The document body explicitly contains phrases like 'CLICK HERE TO ACCESS MINECRAFT GENERATOR' and directs users to a URL that is designed to appear as a free game hack. This indicates a social engineering tactic to trick users into visiting potentially malicious sites. No scripts were extracted, but the PDF structure and embedded links strongly suggest a phishing or scam attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8060

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector high 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.
  • 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
  • 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 https://netcdn.xyz/app/479516143/how-to-play-minecraft-for-free-game-hack PDF link annotation
    • http://shahriyarclimb.ir/images/spin-link-coin-master_GM406889139.pdfIn PDF document text
    • http://shahriyarclimb.ir/images/free-roblox-followers-generator_GM431946152.pdfIn PDF document text
    • http://shahriyarclimb.ir/images/how-to-get-followers-on-tiktok-for-free_GM835599320.pdfIn PDF document text
    • http://shahriyarclimb.ir/images/free-gfx-roblox_GM431946152.pdfIn PDF document text
    • http://shahriyarclimb.ir/images/how-to-get-free-robux-instantly_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_002_off00003464.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3464 24976 bytes
SHA-256: 96e15af6c033becb7ef58513d50b7a87efdb727ed20a30fcced11d3d24ce5a00
font_01_sfnt_off00006d45.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6D45 3048 bytes
SHA-256: 6f634f415d706530fbb5de7312a36a6d314c76ba23089e1b99df025b5c4e66cc
font_02_sfnt_off000077c6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x77C6 18284 bytes
SHA-256: 30e565cae926cf2505d0f64cbbb860d09a66a84df24e80d913481d9233f56de2

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