MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs that point to various domains, many of which appear to be compromised or disposable hosting. Heuristics indicate this is a link farm designed to direct users to external sites, likely for phishing or malware distribution. The ML classifier and ClamAV detection strongly suggest malicious intent, classifying it as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://allytemp.ru/uplcv?utm_term=galaxy+s4+operating+system PDF link annotation
- https://losungversorger.com/product/file/36143530794.pdfIn PDF document text
- https://coopinproject.eu/ckfinder/userfiles/files/gomovozatupigonemune.pdfIn PDF document text
- https://volandovia.it/public/fileeditor/file/75443275049.pdfIn PDF document text
- https://www.revistadefiesta.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e5c794f367---91318539953.pdfIn PDF document text
- https://comfortinnbarrie.com/phpsites/vertical_living/uploads/file/31941227490.pdfIn PDF document text
- http://dzirerealtors.com/uploads/pupilidadokumodiwed.pdfIn PDF document text
- http://www.kickcommerce.com/userfiles/file/87890181547.pdfIn PDF document text
- http://gamboeng.com/assets/ckfinder/userfiles/files/badadub.pdfIn PDF document text
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/926f7f89a1a81aec7fa4c5abdbb5be39/bijoterabeb.pdfIn PDF document text
- https://tattica.byespresso.com/app/webroot/files/upload/files/28687182845.pdfIn PDF document text
- http://brmxn.com/userfiles/file/20210902152818_fot5jd.pdfIn PDF document text
- http://vkp.ru/upload/global/file/xakugozuwimoratowipi.pdfIn PDF document text
- http://onyx-innovations.com/assets/ckfinder/userfiles/files/9006662255.pdfIn PDF document text
- http://vegasoft.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1613cb6aaccf81---vegufofupasu.pdfIn PDF document text
- http://orvositudasbazis.eu/images/upload/file/68510017638.pdfIn PDF document text
- https://www.privathospitaletkollund.com/ckfinder/userfiles/files/xudijeralof.pdfIn PDF document text
- http://www.megasaludips.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613156444b9c7---fofugeberemurejajag.pdfIn PDF document text
- http://stickerbarcode.com/file_media/file_image/file/23153935424.pdfIn PDF document text
- http://gddfboiler.com/uploads/files/32818489233.pdfIn PDF document text
- http://teormech.ru/teormech/usrimg/file/49807173961.pdfIn PDF document text
- http://myesen.life/userfiles/file/pufurejusonufitowi.pdfIn PDF document text
- http://cityfate.com/files/files/17661475960.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_off0000f45a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF45A | 10928 bytes |
SHA-256: 4691ea24a5e78f0e5ce7ef55df881913f741f7d675a8fc5cdae98f2f03ae1df4 |
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font_01_sfnt_off00010dc5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DC5 | 18048 bytes |
SHA-256: 8f4a282d51d445474a043771e7dac15837eac034004045eae582a8358d8c1918 |
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font_02_sfnt_off00013c5b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13C5B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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