MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to disposable hosting or compromised CMS upload directories, indicating a link farm designed to redirect users. The ML classifier strongly flagged this PDF as malicious, and heuristics identify it as a link farm on disposable hosting. The presence of these links suggests an attempt to distribute further malicious content or phish for information.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 5
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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 http://thessalonikiflights.com/files/files/sinokonovabakapemaz.pdf In PDF document text
- http://pinedafoundation.org/imageuploads/file/xalijevib.pdfIn PDF document text
- https://hnhaa.com/userfiles/tnejp/files/47895459503.pdfIn PDF document text
- https://shoppe.everybodyisnotdoingit.org/gift/userfiles/files/53041948185.pdfIn PDF document text
- http://xiangzhuan.tw/upload/files/31967622755.pdfIn PDF document text
- http://schoonhovensvrouwenkoor.nl/ckfinder/userfiles/files/wigasotofuga.pdfIn PDF document text
- https://aayams.com/userfiles/file/nabap.pdfIn PDF document text
- http://atlantichomeportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e95948e43f---87427494597.pdfIn PDF document text
- http://ifap.it/images/file/luvivegobumufikakisesike.pdfIn PDF document text
- https://ever-progress.dacola.com/upload/files/45307364773.pdfIn PDF document text
- http://gardatrans.com/content/Files/81838792042.pdfIn PDF document text
- http://inewbus.com/wp-content/plugins/super-forms/uploads/php/files/9d0tl0afp3mjjuutgh2oddj861/82082443195.pdfIn PDF document text
- https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/gblsdqpcmjl9p32kgo3h1tcrj4/74260899561.pdfIn PDF document text
- https://thriveelearning.com/wp-content/plugins/super-forms/uploads/php/files/fef33047bd62586c473b7c65c619f943/xiges.pdfIn PDF document text
- http://kraski-chernila.ru/resources/file/zolopuwugozuki.pdfIn PDF document text
- http://gramercygrand.ru/files/file/tugufoloniju.pdfIn PDF document text
- http://whuntex.info/userfiles/file/zatoluzosazu.pdfIn PDF document text
- http://runhouchem.com/upload/files/96028927768.pdfIn PDF document text
- http://kayamedbursa.com/userfiles/file/87960099368.pdfIn PDF document text
- https://renault-service.com/userfiles/40942345467.pdfIn PDF document text
- https://www.costaverde.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613661d82dc94---lopovaburinofinowojuvutu.pdfIn PDF document text
- http://luxmeterthai.com/ckfinder/userfiles/files/devadagogumenuzasekak.pdfIn PDF document text
- https://bnbcostaverde.it/userfiles/file/tosurineluzimo.pdfIn PDF document text
- http://tuanayapim.com/rsm/files/69366258889.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=android+m+iconPDF link annotation
- 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_off0000b599.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB599 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cdaf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCDAF | 9908 bytes |
SHA-256: ed33db8dae57ddc4573aba44e06a4d9abdbe73652a686b63d4be29f958a03d3d |
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font_02_sfnt_off0000e366.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE366 | 17840 bytes |
SHA-256: e41546d81e69c7d805e80e1fc09ed03c871d085887a7036f9207517b5966794e |
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