MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm pointing to multiple compromised WordPress sites, indicating a phishing or malware distribution attempt. ClamAV detected this file as 'Pdf.Phishing.Trojan-d2568dad23a94d95', and ML classifiers also flagged it as malicious. The presence of numerous external URIs, many hosted on disposable domains or compromised CMS uploads, strongly suggests malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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://kuechentreff-schmid.de/wp-content/plugins/super-forms/uploads/php/files/t0ql1rm645m66sit2g634q6li3/18764247474.pdf
- https://dazzlin.co.uk/wp-content/plugins/super-forms/uploads/php/files/0d9903f5db5a05b1fa1a4798ab773a2e/garofox.pdf
- https://xn--fct8ml6mwue.tw/uploads/files/rujijirinewamab.pdf
- https://velvetskin.pl/wp-content/plugins/super-forms/uploads/php/files/19b9cdfc12b7bccdb8add0145630bf10/suzurifita.pdf
- https://growmytruck.com/wp-content/plugins/super-forms/uploads/php/files/b3a139e24af5ce2dea50dbb372688c33/dipiruverovibidilegof.pdf
- https://gw21.ch/uploads/userfiles/file/sepunobuj.pdf
- https://www.straightmyteeth.com/wp-content/plugins/super-forms/uploads/php/files/fcda024396d72cb1590bf900e0d2039e/begizorenetawafenoranili.pdf
- https://cald-lighting.com/wp-content/plugins/super-forms/uploads/php/files/65c48ee475190578c3b3d714082d75f8/66992779183.pdf
- http://alaskacounseling.org/clients/8/87/870ae3779d21e956d596131c1dd113ff/File/migafadapadadukanumuneke.pdf
- https://kvartira-zalog.ru/wp-content/plugins/super-forms/uploads/php/files/d22dd218393db128ae667a3e03e86cad/75783618608.pdf
- http://claudiodauelsberg.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606f56dd3e8bf---81924537145.pdf
- https://akarchlight.com/wp-content/plugins/super-forms/uploads/php/files/55763e5daaab86fc0322bb14ba6e54a2/17781066432.pdf
- https://soechi.net/userfiles/file/mazopulat.pdf
- http://finsura-lifedirect.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160cded5a20ead---82860775935.pdf
- http://atraba-holding.com/userfiles/file/68031547819.pdf
- http://benhvienlaptop.biz/userfiles/file/97965988169.pdf
- https://textolinguisticsolutions.com/upload/editor/file/38755853244.pdf
- http://drapa-technika.cz/UserFiles/File/97070880978.pdf
- http://www.hptindia.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074a62209834---betezalidagasiwuxexuxatil.pdf
- http://immodraft.nrw/images/architekten_agentur_images_/file/kilawukubu.pdf
- http://farmaciacogliate.it/userfiles/files/64386531132.pdf
- https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/4f610e1644f1b402c1201220d0f7a7fd/fesibuxivodipanivo.pdf
- http://falconartistmanagement.com/ckfinder/userfiles/files/gabunezote.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=what+is+a+number+neighbor
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ece9.bin20d57209e63b675c5911bb1b9d15070ae714b106474a229fbf2714f0aebb0bc6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECE9 | 17636 bytes |
font_01_sfnt_off00011af9.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11AF9 | 16792 bytes |
font_02_sfnt_off00013310.bina2fba5d35a3abee4a202dd0c7d9996256b72f29a7f261d78c44dd836c56330aa |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13310 | 10744 bytes |
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