PDF malware analysis — malicious · e424bc3d431497ec

MALICIOUS

PDF

35.5 KB Created: 2021-07-03 20:41:08 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-16

MD5: d90dcdab108fc14844e26e133f18598e SHA-1: 2dbff966e652ceac2f5e2f0200db2fc74394d005 SHA-256: e424bc3d431497ecb890b1c9162fe7591a725dbe1fd2dcbc25e5a463884aa178

220 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document contains numerous links designed to lure users into downloading potentially malicious files or visiting scam websites, masquerading as game hacks or generators. The primary link directs to 'netcdn.tw', identified as a malicious redirector, which likely serves as a gateway to further malicious content. The document's structure and embedded links strongly suggest a phishing or scam campaign aimed at tricking users into executing further stages of malware or engaging in fraudulent activities.

Machine Learning

Nyx PDF Classifier malicious score 0.9980

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 http://netcdn.tw/app/406889139/coin-master-hack-apk-2021-download-game-hack In PDF document text
- https://elma.mtsn10jakarta.sch.id/__statics/gudangsoal/files/need-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
- https://elma.mtsn10jakarta.sch.id/__statics/gudangsoal/files/free-robux-present-for-roblox_GM431946152.pdfIn PDF document text
- https://elma.mtsn10jakarta.sch.id/__statics/gudangsoal/files/coin-master-hack-to-get-free-spins_GM406889139.pdfIn PDF document text
- https://elma.mtsn10jakarta.sch.id/__statics/gudangsoal/files/minecraft-realms-free-codes_GM479516143.pdfIn PDF document text
- https://elma.mtsn10jakarta.sch.id/__statics/gudangsoal/files/mcpe-master-coins-hack-download_GM406889139.pdfIn PDF document text
- https://elma.mtsn10jakarta.sch.id/__statics/gudangsoal/files/coin-master-game-2021-free-spin-link_GM406889139.pdfIn PDF document text
- https://elma.mtsn10jakarta.sch.id/__statics/gudangsoal/files/coin-master-cards-for-free_GM406889139.pdfIn PDF document text
- https://elma.mtsn10jakarta.sch.id/__statics/gudangsoal/files/best-site-for-free-coin-master_GM406889139.pdfIn PDF document text
- https://elma.mtsn10jakarta.sch.id/__statics/gudangsoal/files/minecraft-bedrock-hacks-windows-10_GM479516143.pdfIn PDF document text
- https://elma.mtsn10jakarta.sch.id/__statics/gudangsoal/files/wie-kann-man-ihn-roblox-hacken-um-robaks_GM431946152.pdfIn PDF document text
- https://elma.mtsn10jakarta.sch.id/__statics/gudangsoal/files/robux-generator-that-works_GM431946152.pdfIn PDF document text
- https://elma.mtsn10jakarta.sch.id/__statics/gudangsoal/files/coin-master-free-spins-and-coins-daily_GM406889139.pdfIn PDF document text
- https://elma.mtsn10jakarta.sch.id/__statics/gudangsoal/files/how-to-hack-roblox-on-mobile_GM431946152.pdfIn PDF document text
- https://elma.mtsn10jakarta.sch.id/__statics/gudangsoal/files/minecraft-116-apk-download_GM479516143.pdfIn PDF document text
- https://elma.mtsn10jakarta.sch.id/__statics/gudangsoal/files/get-more-robux_GM431946152.pdfIn PDF document text
- https://elma.mtsn10jakarta.sch.id/__statics/gudangsoal/files/free-robux-codes-2021_GM431946152.pdfIn PDF document text
- https://elma.mtsn10jakarta.sch.id/__statics/gudangsoal/files/free-tiktok-25-likes_GM835599320.pdfIn PDF document text
- https://elma.mtsn10jakarta.sch.id/__statics/gudangsoal/files/minecraft-realms-free_GM479516143.pdfIn PDF document text
- https://elma.mtsn10jakarta.sch.id/__statics/gudangsoal/files/free-roblox-generator_GM431946152.pdfIn PDF document text
- https://elma.mtsn10jakarta.sch.id/__statics/gudangsoal/files/robux-free-gift-card-org-hack_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_002_off00003336.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x3336	22480 bytes
SHA-256: `16b65d46835a100b8b569312fd56966993362fce50873ed35236cf0d69d7ceab`
`font_01_sfnt_off0000654e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x654E	19160 bytes
SHA-256: `08c3d26020315796c296df9400c9a2a920b0dbbe4ac3986bc7fb3bd2c9b27f96`

Open this report in the interactive analyzer, or submit your own file for analysis.