Malicious PDF — malware analysis report

Static analysis result for SHA-256 e02ab1c7bfc2f350…

MALICIOUS

PDF

35.5 KB Created: 2021-05-20 17:46:12 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 5baf93d89abe35db2c92c788c581886d SHA-1: 14634b42ccc140ee664148baa21e41cbbde9d3ec SHA-256: e02ab1c7bfc2f35099cb05985d6354dab395c16956765735a0134f6cc857532b
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple embedded links, with one prominent URL leading to a "free generator / game hack" lure. This URL is associated with known malicious redirector infrastructure. The document body, though partially corrupted, also contains similar lures and a call-to-action phrase, reinforcing the phishing attempt. No scripts were extracted, but the primary attack vector appears to be social engineering via deceptive links.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9492

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.xyz/app/406889139/today-free-spin-coin-master-game-hack In PDF document text
    • http://www.conservatoriolecce.it/images/tiktok-free-100-likes_GM835599320.pdfIn PDF document text
    • http://www.conservatoriolecce.it/images/coin-master-free-spins-link-blogspot_GM406889139.pdfIn PDF document text
    • http://www.conservatoriolecce.it/images/minecraft-pocket-edition-free_GM479516143.pdfIn PDF document text
    • http://www.conservatoriolecce.it/images/oprewards-free-robux_GM431946152.pdfIn PDF document text
    • http://www.conservatoriolecce.it/images/coin-master-free-spin-game_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.

FilenameKindSourceSize
stream_002_off00003150.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3150 24328 bytes
SHA-256: 39bab1be53b44d2a4fea6904d71d027692d78b0a0bb47246ad61164eb5b79901
font_01_sfnt_off00006933.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6933 18240 bytes
SHA-256: 1b392e4e99e418e4b3aafc08017bc674641ef7dd4d3aea32a3af237a513dd73c

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