MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. Heuristics identified it as a link farm pointing to multiple PDF files hosted on disposable or potentially compromised domains, including a WordPress upload storage. One URL, 'https://coretry.ru/uplcv?utm_term=infinite+fighter+mod+apk', suggests a lure related to modded applications, often used in phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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 https://coretry.ru/uplcv?utm_term=infinite+fighter+mod+apk PDF link annotation
- http://xn--80aaaghhaztbcd1agjgbccsgfftf.xn--p1ai/pict/file/30884269316.pdfIn PDF document text
- http://aatmicscience.org/asuserfiles/file/97324495158.pdfIn PDF document text
- http://pebyte.com/wp-content/plugins/super-forms/uploads/php/files/t3skt58bnl8u5u4t742un6sbg1/bedepowelujakipojiregigaw.pdfIn PDF document text
- http://slesnick.net/userfiles/files/3038416487.pdfIn PDF document text
- http://ficfart.org/userfiles/file/21292546666.pdfIn PDF document text
- https://mptradingcompany.com/userfiles/file/17981423443.pdfIn PDF document text
- https://monyetjoget.com/contents/files/63015571787.pdfIn PDF document text
- http://gancza.pl/userfiles/file/narujipib.pdfIn PDF document text
- https://melnikhouse.com/userfiles/file/fuzexedu.pdfIn PDF document text
- https://clubesolbra.com/uploads/files/dojod.pdfIn PDF document text
- http://tantusmarina.com/UserFiles/file/fiwufonezeg.pdfIn PDF document text
- http://sanarina-coaching.de/ckfinder/userfiles/files/pokuzigivikibunazaguk.pdfIn PDF document text
- https://holocaustresearch.pl/nowy/photo/file/10442987506.pdfIn PDF document text
- http://www.mediacomriccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613e11c726316---37957893669.pdfIn PDF document text
- http://multiseal.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/16133dca301672---17772365726.pdfIn PDF document text
- http://alibabashipping.com/userfiles/file/zasugisif.pdfIn PDF document text
- http://www.jhannahs.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132bb7ba7d17---xukuw.pdfIn PDF document text
- https://newdesert.pl/userfiles/file/24629151564.pdfIn PDF document text
- http://miyozenemeryville.com/uploads/files/zowironivovav.pdfIn PDF document text
- http://ikra-ekb.ru/files/fckeditor/file/wamovovorimas.pdfIn PDF document text
- http://dayou.tw/uploadpic/files/202109130607252468.pdfIn PDF document text
- http://jyjwqj.com/uploadfile/file///2021091405454348.pdfIn PDF document text
- https://atamergranit.com/userfiles/file/15740466529.pdfIn PDF document text
- 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_off0000bba3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBBA3 | 16968 bytes |
SHA-256: 318db4f29b6f62172b2339c523370c8a28d2760f223d49766e9cf8ede25c8f91 |
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font_01_sfnt_off0000e75c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE75C | 10772 bytes |
SHA-256: a5786c2769afc3096d2f736eb62c9f1f003436c77a56cf879ec24f701302df2d |
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font_02_sfnt_off0000ffba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFBA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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