MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains a link farm pointing to multiple compromised WordPress sites and disposable hosting, suggesting a phishing or malware distribution attempt. The ClamAV detection and ML classifier strongly indicate malicious intent. While no scripts were directly extracted, the PDF structure and embedded URLs are indicative of a phishing lure designed to trick users into downloading further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://inlandautorepairmurrietaca.com/wp-content/plugins/super-forms/uploads/php/files/4c045477592d4d2d8a9f428e97649592/52373072265.pdf
- https://www.prieur-equipement.com/ckfinder/userfiles/files/61169390992.pdf
- https://www.esfa.bg/root/ckfinder/userfiles/files/wifesizudixivobukijejaf.pdf
- http://nnk.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1612f708a03671---golanoxovuxiremi.pdf
- http://hiniceshine.com/upload/fofak.pdf
- http://pickup-ws.com/userfiles/files/84846899939.pdf
- http://caydinhlang.net/userfiles/image/file/jajoputixukudodufemoga.pdf
- http://bagiez.com/userfiles/file/87944034266.pdf
- https://eliteswimmingpoolsinc.com/wp-content/plugins/super-forms/uploads/php/files/ftucohcn5rg1fukrtom14m5lf1/nivonu.pdf
- https://relaxationplusmn.com/wp-content/plugins/super-forms/uploads/php/files/220d85910486c7327a6bf3a8817217ce/torobagavijetamosuv.pdf
- http://giaexploring.it/userfiles/files/lojugesibimawazipuvawe.pdf
- http://haai.org/upload/file/lutovutowazobo.pdf
- http://kbfrutos.sk/images/_file/jiwopixosutozorinan.pdf
- http://files.ibiza-ferien.de/file/34147746074.pdf
- http://hagelkonzept.de/userfiles/file/13930660440.pdf
- http://snkpost.com/fckedit_file/file///20210906_4_12_38.pdf
- http://home-hj.com/up_photo/file/17625777663.pdf
- http://cpghollywood.com/userfiles/files/garezuzo.pdf
- http://hndgyl.com/v15/Upload/file/202199326149575.pdf
- http://jtylek.pl/Upload/file/36739996826.pdf
- http://asremajazi.com/uploads/files/56852853265.pdf
- https://gertiesbloomers.com/kousumi/nulook/upload/fckimages/file/dopinate.pdf
- https://dipinkrishna.com/wp-content/plugins/formcraft/file-upload/server/content/files/16145c3c2c755a---95528154238.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=pdf+file+free+download+for+pc
- 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_off0000cc3e.bin9c4a35ffdf429b7e01582df3485619a96bf5d0b091969855f2bf4661d0528160 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC3E | 16600 bytes |
font_01_sfnt_off0000f757.bin6dc3ad4b79234d1c242510ddbbc887975bee51a4a0417dcbd284653ce4687c83 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF757 | 10432 bytes |
font_02_sfnt_off00010f1a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F1A | 16792 bytes |
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