PDF malware analysis — malicious · 6d825709aaaf8aee

MALICIOUS

PDF

46.3 KB Created: 2021-06-09 15:08:44 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-11

MD5: a6dcd25ccddf86db57ee03abec9e6ef9 SHA-1: 73d8da06ecd3013e4f184cfa30f020efef87bc13 SHA-256: 6d825709aaaf8aee8ba3ac7e69afb2ad36e8b6981e998d8c27a87c8a5804d334

160 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF document contains multiple links to known malicious redirectors and websites advertising game hacks and cheats, indicating a phishing or scam attempt. The document body and embedded URLs suggest a lure to download or access illegitimate game-related content. The presence of multiple redirector links strongly suggests a malicious intent to lead the user to potentially harmful sites.

Machine Learning

Nyx PDF Classifier malicious score 0.9748

Heuristics 4

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.
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.tw/app/431946152/roblox-snow-shoveling-simulator-cheats-game-hack In PDF document text
- http://asiasieja.pl/images/robloxmatchcom-free-robux_GM431946152.pdfIn PDF document text
- http://asiasieja.pl/images/free-spins-on-coin-master-2021_GM406889139.pdfIn PDF document text
- http://asiasieja.pl/images/roblox-com-robux_GM431946152.pdfIn PDF document text
- http://asiasieja.pl/images/roblox-hack-game_GM431946152.pdfIn PDF document text
- http://asiasieja.pl/images/roblox-arsenal-hacks-download_GM431946152.pdfIn PDF document text
- http://asiasieja.pl/images/roblox-hack-2021_GM431946152.pdfIn PDF document text
- http://asiasieja.pl/images/roblox-javascript-hack-pastebin_GM431946152.pdfIn PDF document text
- http://asiasieja.pl/images/roblox-free-robux-hack_GM431946152.pdfIn PDF document text
- http://asiasieja.pl/images/roblox-phantom-forces-hack_GM431946152.pdfIn PDF document text
- http://asiasieja.pl/images/websites-for-robux_GM431946152.pdfIn PDF document text
- http://asiasieja.pl/images/adopt-me-roblox-hacks_GM431946152.pdfIn PDF document text
- http://asiasieja.pl/images/free-robux-pins_GM431946152.pdfIn PDF document text
- http://asiasieja.pl/images/coin-master-pc-hack-tool_GM406889139.pdfIn PDF document text
- http://asiasieja.pl/images/60-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
- http://asiasieja.pl/images/free-robux-promo-codes-2021_GM431946152.pdfIn PDF document text
- http://asiasieja.pl/images/free-robux-without-downloading-apps_GM431946152.pdfIn PDF document text
- http://asiasieja.pl/images/bp-to-uc-pubg_GM1330123889.pdfIn PDF document text
- http://asiasieja.pl/images/roblox-free-clothes-hack_GM431946152.pdfIn PDF document text
- http://asiasieja.pl/images/who-tiktok-free-followers_GM835599320.pdfIn PDF document text
- http://asiasieja.pl/images/how-to-block-someone-on-coin-master_GM406889139.pdfIn PDF document text
- https://www.roblox.comIn 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_004_off00004d47.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4D47	24656 bytes
SHA-256: `b598cdd2418a453505f9b84835da296046bf1979ae324e2195dadab32e34c7b8`
`font_01_sfnt_off0000854b.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x854B	2824 bytes
SHA-256: `94c1b019735d7e491765340abe50b2897410e2ec65ecf141c08bd9f2220897c4`
`font_02_sfnt_off00008efa.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8EFA	19368 bytes
SHA-256: `5741cda09338962c507ba4b82302397e3cabcdbac3dbd1e6a176732b3fe69bf7`

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