PDF malware analysis — malicious · e451e1c160f0e4c6

MALICIOUS

PDF

50.6 KB Created: 2021-06-03 08:30:46 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-05

MD5: 9ed7784c0f1236309f15218c17f72e66 SHA-1: a3476c8d5a39b67299c9dfa43080717e0e94cb39 SHA-256: e451e1c160f0e4c69584b0ebda4c562e8b64a68d2f29339d1e7fa52357383dcd

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document uses a lure related to "how to hack a Minecraft server" to entice users to click on an embedded URL. This URL redirects to a website that likely hosts further malicious content or phishing pages. The ML classifier also flagged this PDF as malicious, increasing confidence in its malicious intent.

Machine Learning

Nyx PDF Classifier malicious score 0.9681

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.online/app/479516143/how-to-hack-a-minecraft-server-game-hack PDF link annotation
- https://www.pswpallets.com/uploaded_files/userfiles/files/play-roblox-free-online_GM431946152.pdfIn PDF document text
- https://www.pswpallets.com/uploaded_files/userfiles/files/robux-free-promo-codes_GM431946152.pdfIn PDF document text
- https://www.pswpallets.com/uploaded_files/userfiles/files/haktuts-coin-master-free-spins_GM406889139.pdfIn PDF document text
- https://www.pswpallets.com/uploaded_files/userfiles/files/coin-master-hack-pc-free_GM406889139.pdfIn PDF document text
- https://www.pswpallets.com/uploaded_files/userfiles/files/roblox-getting-hacked_GM431946152.pdfIn PDF document text
- https://www.pswpallets.com/uploaded_files/userfiles/files/free-robux-hack-no-human-verification-or-survey_GM431946152.pdfIn PDF document text
- https://www.pswpallets.com/uploaded_files/userfiles/files/free-robux-roblox-promo-codes_GM431946152.pdfIn PDF document text
- https://www.pswpallets.com/uploaded_files/userfiles/files/minecraft-pe-texture-packs-free-download_GM479516143.pdfIn PDF document text
- https://www.pswpallets.com/uploaded_files/userfiles/files/free-coins-coin-master-blog_GM406889139.pdfIn PDF document text
- https://www.pswpallets.com/uploaded_files/userfiles/files/free-minecraft-server-maker_GM479516143.pdfIn PDF document text
- https://www.pswpallets.com/uploaded_files/userfiles/files/roblox-free-robux-generator_GM431946152.pdfIn PDF document text
- https://www.pswpallets.com/uploaded_files/userfiles/files/coin-master-free-coins-and-spins-daily_GM406889139.pdfIn PDF document text
- https://www.pswpallets.com/uploaded_files/userfiles/files/village-coin_GM406889139.pdfIn PDF document text
- https://www.pswpallets.com/uploaded_files/userfiles/files/pokemon-go-free-event-box_GM1094591345.pdfIn PDF document text
- https://www.pswpallets.com/uploaded_files/userfiles/files/can-you-download-minecraft-for-free_GM479516143.pdfIn PDF document text
- https://www.pswpallets.com/uploaded_files/userfiles/files/minecraft-clipart-free_GM479516143.pdfIn PDF document text
- https://www.pswpallets.com/uploaded_files/userfiles/files/roblox-hacked-version-download_GM431946152.pdfIn PDF document text
- https://www.pswpallets.com/uploaded_files/userfiles/files/minecraft-windows-10-edition-free-download_GM479516143.pdfIn PDF document text
- https://www.pswpallets.com/uploaded_files/userfiles/files/free-robux-generator-no-human-verification-or-survey-2021_GM431946152.pdfIn PDF document text
- https://www.pswpallets.com/uploaded_files/userfiles/files/coin-master-hacks-and-cheats_GM406889139.pdfIn PDF document text
- http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 4

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_004_off00005455.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x5455	25444 bytes
SHA-256: `91d5f9d9764828636acba8cef03dc17aa39f7854bb3f5c4d68119712b548276e`
`font_01_sfnt_off00008e71.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8E71	3184 bytes
SHA-256: `5048de32cd812d6c43b9f204587a63dd725a947e35e893d756b6d6f25ffe2508`
`font_02_sfnt_off00009961.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9961	2816 bytes
SHA-256: `4555740682277f0055d57b15bd0ba953e5b51415ea3d21c93db391eace072d4f`
`font_03_sfnt_off0000a372.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA372	18156 bytes
SHA-256: `a161276dde2563737e729d23e9d7b4e88663ff4ff7cddafc48ded70db5af995a`

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