PDF malware analysis — malicious · 362ee032f6c754c0

MALICIOUS

PDF

46.8 KB Created: 2021-06-03 16:00:33 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-16

MD5: b2fef8becd921ef07eb4b0dd30cce279 SHA-1: 2d6f1e0d38b3ca652cc16b958726e55d66d2a9ab SHA-256: 362ee032f6c754c00b21c7e6d74cd0336860301ff24cf119d17d31f66849692a

220 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

This PDF document is designed as a lure, employing deceptive content related to game hacks and free generators to trick users into clicking malicious links. The primary link directs to a known malicious redirector, which in turn leads to a network of further malicious PDFs hosted on `learning.man3blitar.my.id`. The document's structure and embedded links strongly suggest an attempt to drive traffic to malicious infrastructure for potential malware distribution or phishing.

Machine Learning

Nyx PDF Classifier malicious score 0.9832

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.
Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM

Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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.online/app/431946152/roblox-piano-hack-game-hack In PDF document text
- https://learning.man3blitar.my.id/__statics/gudangsoal/files/download-apps-for-robux_GM431946152.pdfIn PDF document text
- https://learning.man3blitar.my.id/__statics/gudangsoal/files/coin-master-hack-tool-generator_GM406889139.pdfIn PDF document text
- https://learning.man3blitar.my.id/__statics/gudangsoal/files/collect-free-spin-linms-coin-master_GM406889139.pdfIn PDF document text
- https://learning.man3blitar.my.id/__statics/gudangsoal/files/free-robux-no-verification-no-download-2021_GM431946152.pdfIn PDF document text
- https://learning.man3blitar.my.id/__statics/gudangsoal/files/free-robux-com-roblox_GM431946152.pdfIn PDF document text
- https://learning.man3blitar.my.id/__statics/gudangsoal/files/coin-master-daily-free-spins-and-coins_GM406889139.pdfIn PDF document text
- https://learning.man3blitar.my.id/__statics/gudangsoal/files/free-spins-coin-master-2021-today_GM406889139.pdfIn PDF document text
- https://learning.man3blitar.my.id/__statics/gudangsoal/files/minecraft-bedrock-edition-free_GM479516143.pdfIn PDF document text
- https://learning.man3blitar.my.id/__statics/gudangsoal/files/coin-master-free-cards-link-2021_GM406889139.pdfIn PDF document text
- https://learning.man3blitar.my.id/__statics/gudangsoal/files/how-to-become-a-hacker-in-roblox_GM431946152.pdfIn PDF document text
- https://learning.man3blitar.my.id/__statics/gudangsoal/files/minecraft-free-no-download_GM479516143.pdfIn PDF document text
- https://learning.man3blitar.my.id/__statics/gudangsoal/files/how-to-play-minecraft-with-friends-for-free_GM479516143.pdfIn PDF document text
- https://learning.man3blitar.my.id/__statics/gudangsoal/files/coin-master-free-spins-1-coin-master_GM406889139.pdfIn PDF document text
- https://learning.man3blitar.my.id/__statics/gudangsoal/files/roblox-adopt-me-free-pets_GM431946152.pdfIn PDF document text
- https://learning.man3blitar.my.id/__statics/gudangsoal/files/offers-for-robux_GM431946152.pdfIn PDF document text
- https://learning.man3blitar.my.id/__statics/gudangsoal/files/easy-robux-generator_GM431946152.pdfIn PDF document text
- https://learning.man3blitar.my.id/__statics/gudangsoal/files/how-to-hack-coin-master-computer_GM406889139.pdfIn PDF document text
- https://learning.man3blitar.my.id/__statics/gudangsoal/files/free-robux-websites-that-actually-work_GM431946152.pdfIn PDF document text
- https://learning.man3blitar.my.id/__statics/gudangsoal/files/www-free-robux-com_GM431946152.pdfIn PDF document text
- https://learning.man3blitar.my.id/__statics/gudangsoal/files/but-link-says-free-robux_GM431946152.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_004_off0000558e.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x558E	26784 bytes
SHA-256: `ab06935d3d137ba539bf9d91ea6d44ada5512749fb398c737eb27234f97e2505`
`font_01_sfnt_off000093ee.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x93EE	18456 bytes
SHA-256: `b3a5bdafa913fbeb08409da0979c792cb3491f79dd739ad0ffcb7a8a40d00987`

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