MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file is identified as malicious by ML classifiers and ClamAV, and exhibits characteristics of a phishing lure. It contains a link farm pointing to compromised WordPress sites, likely serving as a distribution point for malware. The document body, though heavily obfuscated, suggests a lure related to downloading software, specifically 'Filmora no watermark apk'. The presence of multiple external URIs and the compromised CMS upload links indicate a pattern of using potentially malicious hosting for payload delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://infrive.ru/uplcv?utm_term=filmora+no+watermark+apk PDF link annotation
- https://maydongy.com/wp-content/plugins/super-forms/uploads/php/files/rch4kv90vqqdodicenus0skc7j/mogurujadudolap.pdfIn PDF document text
- http://chemonova.com/FCKeditor/file/gobasakulijoronisekotozik.pdfIn PDF document text
- https://www.gs-gleichmann.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607123904a915---fupikusevudarikokokeselig.pdfIn PDF document text
- http://al-bandak.com/userfiles/file/20303105053.pdfIn PDF document text
- http://www.petersmetalstitching.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160b82de049ff2---defowenaxuxado.pdfIn PDF document text
- http://ecbpolska.pl/wp-content/plugins/super-forms/uploads/php/files/dfa34db5fad8fa906d31aef30f514252/zusarewe.pdfIn PDF document text
- http://bukharasuwanee.com/sites/default/files/file/silofexezuxuvidufebodo.pdfIn PDF document text
- https://joefairless.com/wp-content/plugins/super-forms/uploads/php/files/304899f68c538e8607b6b3e3f0a846bf/fotubemuvev.pdfIn PDF document text
- http://www.hptindia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c93e2a0c5a---38523209093.pdfIn PDF document text
- http://iseveranscopy.com/upload/editor/file/73917415076.pdfIn PDF document text
- https://www.infratechgroep.nl/wp-content/plugins/super-forms/uploads/php/files/7eab759b6729f2ac88380082254a2908/87466713310.pdfIn PDF document text
- https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/bhdvdjjnammv671d4m6g2vcb3l/pezisidazeka.pdfIn PDF document text
- http://ikkosushi.com/uploads/files/jejodadodenitewawodexiru.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e10b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE10B | 4896 bytes |
SHA-256: 0b68f741b67e4eca153d18007d42133cb29dbddb2b22b877672f54f875128437 |
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font_01_sfnt_off0000f1ac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1AC | 1800 bytes |
SHA-256: 6d2a3a16cc464ce72cf05976c7f96a31c93af2202e0dc760c37a694345e222ee |
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font_02_sfnt_off0000fa3c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA3C | 11252 bytes |
SHA-256: b635045ee4e1c7c16e3fd6403689997b80ce4266820ecc67af81b639e3d18e8f |
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