PDF malware analysis — malicious · bc1e657c5e33b32b

MALICIOUS

PDF

36.3 KB Created: 2021-05-30 02:32:38 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-24

MD5: 5c034bd04db35b7045fc8d9d9e92eba8 SHA-1: fd1540375665fb6f63cfb0f227ae0ebb862aebe1 SHA-256: bc1e657c5e33b32bd9ffb68842ab7c50af0a31fa1c01c3976e663fb093c24f6b

160 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains multiple links to known malicious redirectors and lures for free followers and game hacks. The document body explicitly contains a call to action to access a 'TIKTOK GENERATOR' via a URL, which is likely intended to lead to further malicious content or downloads. The presence of multiple redirector links indicates a strong intent to lead the user to potentially harmful websites.

Machine Learning

Nyx PDF Classifier malicious score 0.9967

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/835599320/free-followers-for-tiktok-game-hack In PDF document text
- https://ilya.ro/wp-content/uploads/fsqm-files/free-robux-generator-2021_GM431946152.pdfIn PDF document text
- https://ilya.ro/wp-content/uploads/fsqm-files/free-minecraft-servers-to-join_GM479516143.pdfIn PDF document text
- https://ilya.ro/wp-content/uploads/fsqm-files/free-robux-games-that-actually-work_GM431946152.pdfIn PDF document text
- https://ilya.ro/wp-content/uploads/fsqm-files/minecraft-free-download-ios_GM479516143.pdfIn PDF document text
- https://ilya.ro/wp-content/uploads/fsqm-files/free-coin-master-spins-and-coins_GM406889139.pdfIn PDF document text
- https://ilya.ro/wp-content/uploads/fsqm-files/free-spins-for-coin-master-game_GM406889139.pdfIn PDF document text
- https://ilya.ro/wp-content/uploads/fsqm-files/free-minecraft-hacks_GM479516143.pdfIn PDF document text
- https://ilya.ro/wp-content/uploads/fsqm-files/free-roblox-accounts-with-robux_GM431946152.pdfIn PDF document text
- https://ilya.ro/wp-content/uploads/fsqm-files/free-minecraft-skin-packs_GM479516143.pdfIn PDF document text
- http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_002_off00003544.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x3544	25220 bytes
SHA-256: `1c30ce30991855112b00895a825aec00061f9db79700f33a23920eab081b03df`
`font_01_sfnt_off00006e23.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6E23	17692 bytes
SHA-256: `1f78b91f0c2492c05ffeec3d34563e43a0b15f4cc5b4ec219908e79cb2313b3f`

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