PDF malware analysis — malicious · ae44c4c953c63fa3

MALICIOUS

PDF

34.5 KB Created: 2021-07-08 11:33:19 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-04

MD5: f25aea3acf23b97f646438a51ba4199e SHA-1: bc8be268f6b05362afb3e46c40ec93e02d747eb3 SHA-256: ae44c4c953c63fa30bc8fc1635802791bf684dec6739074469298f704980aaf8

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

Nyx PDF Classifier malicious score 0.9980

Heuristics 5

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.
Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL

PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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 http://netcdn.tw/app/406889139/como-hackear-coin-master-2021-game-hack PDF link annotation
- http://45.115.65.99/__statics/gudangsoal/files/how-to-hack-to-get-money-on-roblox_GM431946152.pdfPDF link annotation
- http://45.115.65.99/__statics/gudangsoal/files/is-minecraft-free_GM479516143.pdfIn PDF document text
- http://45.115.65.99/__statics/gudangsoal/files/roblox-apocalypse-rising-hack_GM431946152.pdfIn PDF document text
- http://45.115.65.99/__statics/gudangsoal/files/best-free-roblox-exploits-2021_GM431946152.pdfIn PDF document text
- http://45.115.65.99/__statics/gudangsoal/files/robux-2021_GM431946152.pdfIn PDF document text
- http://45.115.65.99/__statics/gudangsoal/files/2021-free-spins-coin-master_GM406889139.pdfIn PDF document text
- http://45.115.65.99/__statics/gudangsoal/files/legit-free-spins-coin-master_GM406889139.pdfIn PDF document text
- http://45.115.65.99/__statics/gudangsoal/files/free-robux-without-human-verification-2021_GM431946152.pdfIn PDF document text
- http://45.115.65.99/__statics/gudangsoal/files/free-coin-master-spins-blog_GM406889139.pdfIn PDF document text
- http://45.115.65.99/__statics/gudangsoal/files/free-robux-generator-no-survey_GM431946152.pdfIn PDF document text
- http://45.115.65.99/__statics/gudangsoal/files/coin-master-hack-2021_GM406889139.pdfIn PDF document text
- http://45.115.65.99/__statics/gudangsoal/files/http-coin-master-hack-club_GM406889139.pdfIn PDF document text
- http://45.115.65.99/__statics/gudangsoal/files/roblox-buy-for-free_GM431946152.pdfIn PDF document text
- http://45.115.65.99/__statics/gudangsoal/files/roblox-land-free-robux_GM431946152.pdfIn PDF document text
- http://45.115.65.99/__statics/gudangsoal/files/free-robux-that-actually-works_GM431946152.pdfIn PDF document text
- http://45.115.65.99/__statics/gudangsoal/files/free-spins-and-coins-coin-master-facebook_GM406889139.pdfIn PDF document text
- http://45.115.65.99/__statics/gudangsoal/files/free-roblox-gfx-artists_GM431946152.pdfIn PDF document text
- http://45.115.65.99/__statics/gudangsoal/files/roblox-hack-scripts-pastebin_GM431946152.pdfIn PDF document text
- http://45.115.65.99/__statics/gudangsoal/files/free-coin-master-gifts_GM406889139.pdfIn PDF document text
- http://45.115.65.99/__statics/gudangsoal/files/coin-master-free-blogspot_GM406889139.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
`font_00_sfnt_off00002f4e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2F4E	22940 bytes
SHA-256: `5156761032fe06df4eee4b4021aa05b14c8a6d113dc98a6774a0a39c60fe167f`
`font_01_sfnt_off000062df.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x62DF	18664 bytes
SHA-256: `edb2623ad104b8b86e5bc1c5ef1b50296b358dc4eff6a16b1f212eab3163f8bc`

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