PDF malware analysis — malicious · 0d5fd16a990732cc

MALICIOUS

PDF

43.1 KB Created: 2021-05-14 16:50:51 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04

MD5: 2fe8039a86f1c56fa21a5567016186c8 SHA-1: 59211278f9b1d807cdae0f0fbe93496667ffa5e3 SHA-256: 0d5fd16a990732cc9eda7800a3723152051d85062d5cdca3fd685712c875d5e7

168 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document contains multiple links to known malicious redirectors, including one that promises free Robux or game hacks. The document body and embedded links suggest a social engineering lure to drive traffic to potentially malicious websites. No scripts were extracted, but the presence of malicious links and a lure for free in-game currency indicates a phishing or scam attempt.

Machine Learning

Nyx PDF Classifier malicious score 0.9969

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.
AcroForm button with action trigger low PDF_ACROFORM_BUTTON

PDF contains a /Btn form field together with a SubmitForm/URI/Launch/JS trigger — this is the building block of fake 'Download' or 'Open' button overlays used in PDF phishing lures
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.xyz/app/431946152/how-you-get-free-robux-game-hack In PDF document text
- https://www.elearning-ganjil.massimbangkulon.sch.id/__statics/gudangsoal/files/free-robux-survey_GM431946152.pdfIn PDF document text
- https://www.elearning-ganjil.massimbangkulon.sch.id/__statics/gudangsoal/files/login-robux_GM431946152.pdfIn PDF document text
- https://www.elearning-ganjil.massimbangkulon.sch.id/__statics/gudangsoal/files/free-spins-on-coin-master-app_GM406889139.pdfIn PDF document text
- https://www.elearning-ganjil.massimbangkulon.sch.id/__statics/gudangsoal/files/free-spins-coin-master-no-survey_GM406889139.pdfIn PDF document text
- https://www.elearning-ganjil.massimbangkulon.sch.id/__statics/gudangsoal/files/coin-master-daily-free-cards_GM406889139.pdfIn PDF document text
- https://www.elearning-ganjil.massimbangkulon.sch.id/__statics/gudangsoal/files/get-free-food-in-coin-master_GM406889139.pdfIn PDF document text
- https://www.elearning-ganjil.massimbangkulon.sch.id/__statics/gudangsoal/files/roblox-executor-free_GM431946152.pdfIn PDF document text
- https://www.elearning-ganjil.massimbangkulon.sch.id/__statics/gudangsoal/files/free-foxy-food-coin-master_GM406889139.pdfIn PDF document text
- https://www.elearning-ganjil.massimbangkulon.sch.id/__statics/gudangsoal/files/free-robux-gift-card-codes_GM431946152.pdfIn PDF document text
- https://www.elearning-ganjil.massimbangkulon.sch.id/__statics/gudangsoal/files/roblox-builders-club-free_GM431946152.pdfIn PDF document text
- https://www.elearning-ganjil.massimbangkulon.sch.id/__statics/gudangsoal/files/roblox-army-free-robux_GM431946152.pdfIn PDF document text
- https://www.elearning-ganjil.massimbangkulon.sch.id/__statics/gudangsoal/files/earn-robux-today_GM431946152.pdfIn PDF document text
- https://www.elearning-ganjil.massimbangkulon.sch.id/__statics/gudangsoal/files/blox-world-free-robux_GM431946152.pdfIn PDF document text
- https://www.elearning-ganjil.massimbangkulon.sch.id/__statics/gudangsoal/files/coin-master-hack-apk-latest-version-2021_GM406889139.pdfIn PDF document text
- https://www.elearning-ganjil.massimbangkulon.sch.id/__statics/gudangsoal/files/free-robux-no-verify-2021_GM431946152.pdfIn PDF document text
- https://www.elearning-ganjil.massimbangkulon.sch.id/__statics/gudangsoal/files/free-robux-com-no-verification_GM431946152.pdfIn PDF document text
- https://www.elearning-ganjil.massimbangkulon.sch.id/__statics/gudangsoal/files/coin-master-free-coins-and-spins-2021_GM406889139.pdfIn PDF document text
- https://www.elearning-ganjil.massimbangkulon.sch.id/__statics/gudangsoal/files/minecraft-life-hacks_GM479516143.pdfIn PDF document text
- https://www.elearning-ganjil.massimbangkulon.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-no-human-verification_GM431946152.pdfIn PDF document text
- https://www.elearning-ganjil.massimbangkulon.sch.id/__statics/gudangsoal/files/free-spins-coin-master-no-verification_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
`stream_003_off00004c1d.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4C1D	25024 bytes
SHA-256: `c0a936c30f1cfa995c2a73f20ce2d9b3bc2b5b0067447bd9156ba0049a7d5a49`
`font_01_sfnt_off000085c5.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x85C5	18444 bytes
SHA-256: `d3aeb47c5138bb2f7afdc1cd1986e008461219f841fd4d3ae6acb877e9db5a0e`

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