MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file is identified as malicious by ClamAV and an ML classifier, exhibiting characteristics of a phishing campaign. It functions as a link farm, directing users to various websites, including one hosted on a compromised WordPress upload directory. The embedded URLs and the nature of the heuristics strongly suggest an attempt to redirect users to malicious or phishing sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://infrive.ru/uplcv?utm_term=android+triple+tap+zoom PDF link annotation
- https://almentispharma.com/ckfinder/userfiles/files/61656467208.pdfIn PDF document text
- http://yesfabric.com/images/upload/File/vifazavaxin.pdfIn PDF document text
- https://www.emmabowman.com/wp-content/plugins/super-forms/uploads/php/files/2b4d393f443adc7e8ca887c24b058557/gizujesel.pdfIn PDF document text
- http://caerulumpharma.com/upload/files/61514354597.pdfIn PDF document text
- http://akkoryazilim.com/userfiles/file/5999647066.pdfIn PDF document text
- http://npk-bypassdrr2.com/file_media/file_image/file/12527008304.pdfIn PDF document text
- https://ochronaskory.pl/pliki_user/File/30613154676.pdfIn PDF document text
- http://www.rlktechniek.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16134d0a7dc831---bovofududa.pdfIn PDF document text
- https://htapigroup3.com/contents/files/gutiladiniwojasiw.pdfIn PDF document text
- http://elitacasa.it/images/file/37597087392.pdfIn PDF document text
- http://gopherandsquirrelcontrol.com/admin/images/file/puberidojegomizaleser.pdfIn PDF document text
- http://hjtech.org/admin/upfile/file/gutapimitigadavexonuw.pdfIn PDF document text
- https://ms2oke.com/contents/files/8252811099.pdfIn PDF document text
- https://centaur.vri.cz/docs/files/gofetisuremopidaba.pdfIn PDF document text
- https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/161379f3ccfc5d---fibigexikixalan.pdfIn PDF document text
- http://teamhead.net/userfiles/file/68951783626.pdfIn PDF document text
- http://zetrade.cz/userfiles/file/94301402784.pdfIn PDF document text
- http://akifkasaboglu.com/esatfisek/images_upload/files/fuwanaxapulitipog.pdfIn PDF document text
- http://www.barbazan-debat.fr/ckfinder/userfiles/files/posajapuzi.pdfIn PDF document text
- http://phanphoiongnhuahoasen.vn/upload/files/fosexujereg.pdfIn PDF document text
- http://sakra.sk/storage/file/95931390313.pdfIn PDF document text
- http://soeurs-scjboran.fr/soeurs/upload/files/doropobenosejafopori.pdfIn PDF document text
- http://mistral-paints.cz/userfiles/files/60205216692.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_off00010504.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10504 | 10424 bytes |
SHA-256: 25c1ddd297c0d518fbed2066b6dd168038dd8cd4abe10125e954aea36570562c |
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font_01_sfnt_off00011c97.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C97 | 18816 bytes |
SHA-256: 7e6564f8c0cf55a05945b024834f284302885db9eed180923acdae0feb767c22 |
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font_02_sfnt_off00014cf0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14CF0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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