MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links pointing to various domains, many of which are hosted on compromised WordPress sites or disposable hosting, indicating a link farm designed to distribute malicious content. ClamAV and the ML classifier flagged this PDF as malicious, specifically as a phishing trojan. The presence of multiple external URIs and link farm heuristics strongly suggests an attempt to redirect users to potentially harmful websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://synerhu.ru/uplcv?utm_term=manufacturing+processes+for+engineering+materials+ebook PDF link annotation
- http://aviatechinform.ru/sadm_files/tamonapizimezafi.pdfIn PDF document text
- http://khanaphatgroup.com/UserFiles/file/80184643289.pdfIn PDF document text
- https://ihappywash.com/uploads//files/202108082300432632.pdfIn PDF document text
- https://www.schroedersales.com/wp-content/plugins/super-forms/uploads/php/files/a654616402744c51a9c5004bc85fd5a0/41917727082.pdfIn PDF document text
- https://parklanehotel.asia/userfiles/file/55351210415.pdfIn PDF document text
- http://www.oknookna.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160cbdca0a4fbc---wunesekokififivafesowixu.pdfIn PDF document text
- https://prana.video/wp-content/plugins/super-forms/uploads/php/files/iqh4giel7vkr6otl2akutjckno/bozuraxe.pdfIn PDF document text
- http://localhomesales.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160db0ea3d9826---lutegu.pdfIn PDF document text
- http://www.mmalappeenranta.com/tiedostot/files/vebapoxaju.pdfIn PDF document text
- http://orlickachata.cz/files/files/10375687153.pdfIn PDF document text
- https://www.pal-kont.hu/wp-content/plugins/super-forms/uploads/php/files/429769b052acc0ee4cd99bc103b52407/xobasiwopujibubiliwiz.pdfIn PDF document text
- http://a1-automotivegroup.com/upload/files/88313913584.pdfIn PDF document text
- http://esipro.lu/userfiles/file/53183531730.pdfIn PDF document text
- http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/0ls33j6afdklsuhnnkeer9r406/4356141382.pdfIn PDF document text
- http://robotsuk.com/luckingbros.co.uk/userfiles/files/newavakerapuxawodunolaroz.pdfIn PDF document text
- http://mattstergamer.com/wp-content/plugins/super-forms/uploads/php/files/dfg4qldl2dq3djlq56vboc7dgk/xudebazazejutadudekopus.pdfIn PDF document text
- https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/16114007fd2c95.pdfIn PDF document text
- https://chrmglobal.com/userfiles/file/33206336836.pdfIn PDF document text
- http://apsencollege.org/test/fckeditor/file/91049390939.pdfIn PDF document text
- https://tadimtursu.com/image/files/85340293077.pdfIn PDF document text
- http://bezpiecznamlodosc.org/files/file/86969107132.pdfIn PDF document text
- http://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160facc9211b1c---tujuzonanebowijugon.pdfIn PDF document text
- https://iescolumbus.org/wp-content/plugins/super-forms/uploads/php/files/900478c748a4ea1fb0fa2103254ba283/rutal.pdfIn PDF document text
- https://beaszemin.com/files/notipid.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_off0000e328.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE328 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fb3a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB3A | 17080 bytes |
SHA-256: 6950a5b079df7b53d2729972fa98c48e6cce55eaa7bfca9aa4e9328d8158032a |
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font_02_sfnt_off0001280e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1280E | 11148 bytes |
SHA-256: 1542c45a3a3b8453af223c48c67a039e2ceaf84bcbc4c4668eebbfff8fcc08d7 |
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