PDF malware analysis — malicious · 7c470837dfdb0b72

MALICIOUS

PDF

45.8 KB Created: 2021-05-17 22:23:14 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: 7d9f01ce2bd7ced48421941e3bbb4cb4 SHA-1: 55f2589dbce90ce99bff1f0f3976c2a18b8864b7 SHA-256: 7c470837dfdb0b729cd30e08e3ff28855ceb04e7ac804d56ab7c5bb377ab65f6

142 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document contains numerous links to external websites, many of which are hosted on domains associated with SEO link farms. The primary lure appears to be 'game hacks' and 'free spins' for popular mobile games like Coin Master. The document's structure and the high number of outbound links suggest it's designed to drive traffic to potentially malicious sites, possibly for phishing or malware distribution. No scripts were extracted, but the PDF's nature strongly indicates a social engineering attack.

Machine Learning

Nyx PDF Classifier malicious score 0.9432

Heuristics 5

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.
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/406889139/coin-master-hack-spins-download-game-hack PDF link annotation
- https://e-learning.mtsn1bojonegoro.sch.id/__statics/gudangsoal/files/free-minecraft-server-hosting-with-plugins_GM479516143.pdfIn PDF document text
- https://e-learning.mtsn1bojonegoro.sch.id/__statics/gudangsoal/files/coin-master-free-spins-link-haktuts_GM406889139.pdfIn PDF document text
- https://e-learning.mtsn1bojonegoro.sch.id/__statics/gudangsoal/files/twitter-coin-master-free-spins_GM406889139.pdfIn PDF document text
- https://e-learning.mtsn1bojonegoro.sch.id/__statics/gudangsoal/files/coin-master-free-spin-and-coins-links-2021_GM406889139.pdfIn PDF document text
- https://e-learning.mtsn1bojonegoro.sch.id/__statics/gudangsoal/files/how-to-get-free-pet-food-in-coin-master_GM406889139.pdfIn PDF document text
- https://e-learning.mtsn1bojonegoro.sch.id/__statics/gudangsoal/files/coin-master-gold-cards-free_GM406889139.pdfIn PDF document text
- https://e-learning.mtsn1bojonegoro.sch.id/__statics/gudangsoal/files/hacks-to-get-free-robux_GM431946152.pdfIn PDF document text
- https://e-learning.mtsn1bojonegoro.sch.id/__statics/gudangsoal/files/i-didnt-get-my-free-spins-in-coin-master_GM406889139.pdfIn PDF document text
- https://e-learning.mtsn1bojonegoro.sch.id/__statics/gudangsoal/files/coin-master-34-5-hack_GM406889139.pdfIn PDF document text
- https://e-learning.mtsn1bojonegoro.sch.id/__statics/gudangsoal/files/coin-master-free-coins-and-spins-daily_GM406889139.pdfIn PDF document text
- https://e-learning.mtsn1bojonegoro.sch.id/__statics/gudangsoal/files/coin-master-hack-2021-android-apk_GM406889139.pdfIn PDF document text
- https://e-learning.mtsn1bojonegoro.sch.id/__statics/gudangsoal/files/coin-master-free-spins-deutsch-download-ios-link_GM406889139.pdfIn PDF document text
- https://e-learning.mtsn1bojonegoro.sch.id/__statics/gudangsoal/files/coin-master-hack-mod-apk-2021_GM406889139.pdfIn PDF document text
- https://e-learning.mtsn1bojonegoro.sch.id/__statics/gudangsoal/files/is-there-a-way-to-get-free-robux_GM431946152.pdfIn PDF document text
- https://e-learning.mtsn1bojonegoro.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-on-phone_GM431946152.pdfIn PDF document text
- https://e-learning.mtsn1bojonegoro.sch.id/__statics/gudangsoal/files/coin-master-free-spins-link-today-hack_GM406889139.pdfIn PDF document text
- https://e-learning.mtsn1bojonegoro.sch.id/__statics/gudangsoal/files/roblox-hackers-list_GM431946152.pdfIn PDF document text
- https://e-learning.mtsn1bojonegoro.sch.id/__statics/gudangsoal/files/free-spin-coin-master-twitter_GM406889139.pdfIn PDF document text
- https://e-learning.mtsn1bojonegoro.sch.id/__statics/gudangsoal/files/coin-master-gameplay_GM406889139.pdfIn PDF document text
- https://e-learning.mtsn1bojonegoro.sch.id/__statics/gudangsoal/files/real-hack-for-coin-master_GM406889139.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.

Filename	Kind	Source	Size
`stream_003_off00004ed2.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4ED2	24176 bytes
SHA-256: `63ea8d4ac63a1c2ec821314c55aacc9f77a9e30efe197eb7b21a1e8ebb74fb0c`
`font_01_sfnt_off000085f4.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x85F4	2868 bytes
SHA-256: `d2d857e2ddc1082c7667b23f2135a5c0ba26a2ff8b42c86c89c8e0b09aece855`
`font_02_sfnt_off00008fdf.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8FDF	18472 bytes
SHA-256: `ffdd1f544133aaa986ff11dc6bde1115101e3f500a02a81e5d1fa021c7bacaca`

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