MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm designed to redirect users to potentially malicious content, masquerading as a cheat for the game 'Among Us'. The ML classifier strongly indicated maliciousness, and several heuristics point to the document being a link farm hosted on compromised or disposable domains. No scripts were extracted, but the structure suggests a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 5
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne 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://forglass.sk/userfiles/file/vewipopubaxidu.pdf In PDF document text
- https://ag-concept.ru/wp-content/plugins/super-forms/uploads/php/files/498deb7235b8590dd31eabb8ffbd6ce5/20040526405.pdfIn PDF document text
- https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/161472a0d43d06.pdfIn PDF document text
- http://whatcanidoforyou.eu/publish/file/vinivodo.pdfIn PDF document text
- http://www.gleason.com.au/application/third_party/ckfinder/userfiles/files/64245286006.pdfIn PDF document text
- http://quickfix-poland.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614153931b7f7---wexororaf.pdfIn PDF document text
- http://www.gamylai.vn/uploads/files/vunejilatanobesepivefim.pdfIn PDF document text
- http://vip-cond.ru/userfiles/file/93573505124.pdfIn PDF document text
- http://thrifthelp.com/flash/thrifthelp.com/file/49002288712.pdfIn PDF document text
- http://lnyuanzong.com/uploads/files/20210921050125.pdfIn PDF document text
- http://nbc.com.vn/ckfinder/userfiles/files/18148392047.pdfIn PDF document text
- https://clic-essc.ch/ck/ckfinder/userfiles/files/jovotasu.pdfIn PDF document text
- http://elitaliaweb.it/upload/file/67816826974.pdfIn PDF document text
- https://djhelaly.com/wp-content/plugins/super-forms/uploads/php/files/f2773eed7ae2ffc5bc1207b975be0507/43955933113.pdfIn PDF document text
- http://aow.infogestnet.it/ckfinder/userfiles/files/94662630019.pdfIn PDF document text
- http://tauben-buchmeier.de/kleinberliner-schuetzen/userfiles/files/57642957146.pdfIn PDF document text
- http://www.vitrierbxl.be/wp-content/plugins/formcraft/file-upload/server/content/files/161356b4787f42---40598691206.pdfIn PDF document text
- https://resepangka.org/contents/files/gaxigipefuzaduneketisadax.pdfIn PDF document text
- http://myatkinsonfamily.com/userimages/33782045283.pdfIn PDF document text
- http://immobilieninvestors.de/userfiles/file/xotivap.pdfIn PDF document text
- http://splhardware.com/UploadFile/file/2021091613262473499.pdfIn PDF document text
- http://lollanaclinic.com/image/upload/File/59491961714.pdfIn PDF document text
- http://geredekombiservisi.com/userfiles/file/32093532460.pdfIn PDF document text
- http://www.gcsystem.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1613fce7836ef6---66617829274.pdfIn PDF document text
- http://www.louisefarmersmith.com/admin/ckeditor/ckfinder/userfiles/files/ziloxizonug.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=among+us+cheat+apk+always+impostorPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c83c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC83C | 11192 bytes |
SHA-256: 93216e27385083fa21c48d23b5ac43dc8ec8da85e317ce64b193bdd52dac47ee |
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font_01_sfnt_off0000e258.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE258 | 17040 bytes |
SHA-256: 765303b36d8cd257ec05e6acfbd483d0da239b400037ee9e39bc7c089de4d99d |
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font_02_sfnt_off00010e3a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E3A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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