MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many pointing to compromised websites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of these URLs and the PDF structure strongly suggest a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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=present+perfect+simple+past+worksheets+pdf PDF link annotation
- https://circolodelpistone.ch/userfiles/file/6499479380.pdfIn PDF document text
- https://alkhairi.co.uk/wp-content/plugins/super-forms/uploads/php/files/9876cc16a1a0d286446f235065cb2bed/83821444927.pdfIn PDF document text
- https://vannordenvastgoed.nl/userfiles/file/4437274798.pdfIn PDF document text
- https://cardion.dk/gfx/fckimages/file/poberavabe.pdfIn PDF document text
- https://marciasmithconsulting.com/wp-content/plugins/super-forms/uploads/php/files/1e15f96fdf803274a6fa586103e84727/botukanor.pdfIn PDF document text
- http://beautifulmoda.com/userfiles/files/wogeboduda.pdfIn PDF document text
- https://iominneapolis.com/wp-content/plugins/super-forms/uploads/php/files/a4c3a59ae645b0b359fbf95c8906ba08/67199052349.pdfIn PDF document text
- http://agcslohian.com/userfiles/file/45713485615.pdfIn PDF document text
- https://swift-tw.com/lcc/upload/files/82148057631.pdfIn PDF document text
- https://clubkdo.fr/img/pics/files/gefubafakejanebuwenuw.pdfIn PDF document text
- http://neonatal-surgery.ru/userfiles/files/tufarojegupujatixetoki.pdfIn PDF document text
- http://self119.net/upload/userfiles/2021/06/files/210606202828.pdfIn PDF document text
- http://kozelskadm.ru/files/uploads/files/bolafojejimebodita.pdfIn PDF document text
- http://dinskayarealty.ru/media/file/bigejizidumajatonobunufu.pdfIn PDF document text
- https://mediabandit.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099387c85c67---nanewotapikibisanom.pdfIn PDF document text
- https://unserbiokorb.ch/userfiles/file/jonepotilagorowawixafu.pdfIn PDF document text
- https://action-roofing.com/wp-content/plugins/super-forms/uploads/php/files/1a1560ac254248b35c6b2242fd2fc48a/51874740411.pdfIn PDF document text
- http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090be53f3422---ponarimati.pdfIn PDF document text
- http://westpakusa.com/phpsites/vertical_living/uploads/file/jafufugusofijakiwe.pdfIn PDF document text
- https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/99d81ce6587a58be777dfab55dc2966d/6480543855.pdfIn PDF document text
- http://modnyi-buket.ru/uploads/files/52302960632.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_off0000d31f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD31F | 11064 bytes |
SHA-256: 91a5097e758e61b6d76052d28db3f62d3607898ac82564483dacff0cfb76d66c |
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font_01_sfnt_off0000ecc9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECC9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000104db.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104DB | 16892 bytes |
SHA-256: e3d942921b8f0af132ad8c1f982ee213477b75d1738573407c71c4659691567d |
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