MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many of which point to compromised websites or disposable hosting, suggesting a link farm designed to redirect users. Heuristics indicate the PDF is a link farm and potentially a phishing lure. ClamAV detection and ML classification confirm its malicious nature, with the ML model outputting a high probability of maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9908
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://allytemp.ru/uplcv?utm_term=i+recorder+mod+apk PDF link annotation
- http://www.anclupnapoli.it/userfiles/file/73813172106.pdfIn PDF document text
- http://shanghaiqingchen.com/upload/files/14016486421.pdfIn PDF document text
- http://jungam21.com/upfiles/file/1630527517.pdfIn PDF document text
- http://xn--b1agjlwjc3g.xn--p1ai/ckfinder/userfiles/files/70918572163.pdfIn PDF document text
- http://ark-mr.com/data/home/qxu2063190031/htdocs/uploadfile/files/6386125536.pdfIn PDF document text
- http://tv-kitchen.ru/files/files/dibujeronutepugiwi.pdfIn PDF document text
- http://www.advokat.com/app/webroot/img/fck/file/kodikasazumodopomimitirav.pdfIn PDF document text
- http://xn--h1aaebajlcgx.xn--p1ai/sadm_files/virim.pdfIn PDF document text
- http://ingegnasrl.com/userfiles/files/xodizukozevijofiv.pdfIn PDF document text
- http://sdes.in/uploads/94201746807.pdfIn PDF document text
- http://www.buildonhope.org/file/51112043024.pdfIn PDF document text
- http://yanarfabrics.com/firma/files/72675182815.pdfIn PDF document text
- http://mineraux-et-lithotherapie.fr/ckeditor/upload/files/kevetuwepuwawuxegiz.pdfIn PDF document text
- http://www.gdchgs.com/admin/img/files/32881996923.pdfIn PDF document text
- http://hongshengfish.com/uploadfiles/2021091705221454965.pdfIn PDF document text
- http://www.agot.pl/upload/file/gugopu.pdfIn PDF document text
- http://www.korayozelguvenlik.com/wp-content/plugins/formcraft/file-upload/server/content/files/161309eebc01d1---rukarugogaxivijeg.pdfIn PDF document text
- http://goref.ru/files/file/rosuzilinumogilenenapi.pdfIn PDF document text
- https://jordanadams.com/ckfinder/userfiles/files/32787380778.pdfIn PDF document text
- https://avis-medical.ma/wp-content/plugins/super-forms/uploads/php/files/aed7fb14132bb1656345a42826d21257/42060817129.pdfIn PDF document text
- http://sonarkella.com/userfiles/file/54178869426.pdfIn PDF document text
- http://www.jamesbgriffinlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130fa799b950---wunotojinexowotaserobuf.pdfIn PDF document text
- https://technoarc.net/userfiles/file/jalesirudanowozi.pdfIn PDF document text
- http://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e428ff0185---8558817740.pdfIn PDF document text
- http://nhac.ditimchanly.org/Images_upload/files/22010100066.pdfIn PDF document text
- https://floridahouselottery.com/test/userfiles/file/28842763221.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_off0000c234.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC234 | 10212 bytes |
SHA-256: d2dd502c6d023197b4a1e1b41aac075bcea05bf6e32cde917e655373548dcb78 |
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font_01_sfnt_off0000d914.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD914 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f126.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF126 | 19452 bytes |
SHA-256: 75c9d2d2c9ad537af9696fc3f7668a1bb8f46163697c29dbb48a480c838dce64 |
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