MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs pointing to external sites, some of which are hosted on compromised WordPress installations or disposable domains, suggesting a link farm or phishing lure. The PDF structure and embedded content are consistent with attempts to redirect users to malicious sites, likely as part of a phishing campaign or to download further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://synerhu.ru/uplcv?utm_term=harry+potter+garry%27s+mod+roleplay PDF link annotation
- https://osikovo.eu/webroot/img/content/files/49714017784.pdfIn PDF document text
- http://anhuicrew.com/upload_fck/file/2021-5-14/20210514070520415120.pdfIn PDF document text
- https://computerzone.pk/file/52151481995.pdfIn PDF document text
- http://redwoodpwr.com/wp-content/plugins/super-forms/uploads/php/files/bi4e4beqms32ek65meet9qhos0/ruvem.pdfIn PDF document text
- https://postscriptproductions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fe76f7b121c---domizomiwefuredonipa.pdfIn PDF document text
- http://keletunderground.hu/images/uploaded_pics/file/40725738075.pdfIn PDF document text
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/16076eebae00c6---belise.pdfIn PDF document text
- http://saovietgroup.com/upload/FCK/file/75898446633.pdfIn PDF document text
- http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a2a21ed054b---99413187674.pdfIn PDF document text
- https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/160904e7c0ca3d---27415302977.pdfIn PDF document text
- http://lachina.cn/upload/file/57826543157.pdfIn PDF document text
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c56f51947c3---witamomeledataberixiluxit.pdfIn PDF document text
- http://permagnet.com/upload_files/file/210829090515946371llc9wr.pdfIn PDF document text
- http://www.jobsincrete.gr/images/_user_na/file/womaxasivelobaxeposedudem.pdfIn PDF document text
- http://kondicionery-fryazino.ru/upload_picture/file/zowibidirumomijagure.pdfIn PDF document text
- http://randalljroutson.com/clients/44711/File/43627726269.pdfIn PDF document text
- http://xn----7sbabjkhbzbqti4a3apfmdd2s4b.xn--p1ai/ckfinder/userfiles/files/rufibelakuziwidiwiroj.pdfIn PDF document text
- http://sbox-technology.com/upload/datoteke/7220580946.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_off0000d88c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD88C | 18056 bytes |
SHA-256: 2de479e928c4799dd15c2cd8fbc0e97378cfcf3d781e09d5ea6ef2a93d73e804 |
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font_01_sfnt_off0001065b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1065B | 10680 bytes |
SHA-256: 055ab6874f8efa063ba25f8a88b0f6bc2d187f53d229f45013c79e689cb6c8aa |
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font_02_sfnt_off00011eb9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11EB9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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