MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of embedded URLs, many of which point to compromised WordPress sites. The ML classifier strongly indicated maliciousness. The primary function appears to be acting as a link farm, potentially for SEO spam or to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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 https://uaqbakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072628a69c42---pepuropumolufomig.pdf In PDF document text
- https://www.spoton.pet/wp-content/plugins/super-forms/uploads/php/files/brkkioubh0ttfq7trps7gj56q7/kuputezexabofukuwiminu.pdfIn PDF document text
- http://udokutscher.de/gfx/userfiles/files/31584412749.pdfIn PDF document text
- http://udmvdpo.ru/images/files/revepofawatamarew.pdfIn PDF document text
- http://www.prieteniitehnicii.ro/documente/file/30964586337.pdfIn PDF document text
- http://furkansigorta.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160a9e72a4f80b---18421194137.pdfIn PDF document text
- http://dok-vo.ru/userfiles/file/36878850263.pdfIn PDF document text
- https://mttrasportisrl.it/dati/upload/file/47995374990.pdfIn PDF document text
- http://www.inhd.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607616f0df5c9---datojilesakido.pdfIn PDF document text
- http://www.expertnutritionadvisor.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a38d4be1062---90224132459.pdfIn PDF document text
- http://banglatalkies.com/dynamic-images/cms/file/dobijujil.pdfIn PDF document text
- https://archcosmeticstudio.com.au/wp-content/plugins/super-forms/uploads/php/files/b597e8bf64ad361982b5fa107fe15834/25802207247.pdfIn PDF document text
- http://castrolmintabolt.hu/images/upload/file/84206434232.pdfIn PDF document text
- http://sweetbasketsbyjackie.com/clients/864293/File/43728151046.pdfIn PDF document text
- https://dedywiredja.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ec8d20af1d---84678849902.pdfIn PDF document text
- http://2ds-creations.fr/userfiles/file/dijupevutato.pdfIn PDF document text
- http://simonide.org/userfiles/file/37132368218.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b8b50c2118e---41257203531.pdfIn PDF document text
- http://szzxwx.com/Upload/Upload/file/20216241129524312.pdfIn PDF document text
- http://asja-doll.ru/userfiles/file/37336307574.pdfIn PDF document text
- https://tvsporedi.si/vsebina/mubawojigesixelazimuso.pdfIn PDF document text
- https://okinawa4d.com/contents//files/zinagojemawukujado.pdfIn PDF document text
- http://villa-carlshorst.de/sites/default/files/file/9462295253.pdfIn PDF document text
- http://kingspec.su/wp-content/plugins/super-forms/uploads/php/files/tiq769nr7jmcapaq7m9k14hphu/93887184129.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=ppt+white+background+templatePDF 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_off0000de54.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE54 | 16520 bytes |
SHA-256: edecb3593ffb61790bec814a4448076a3843e3249cdb830c19c315f74dda6eb2 |
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font_01_sfnt_off0001090e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1090E | 11212 bytes |
SHA-256: d717037c6d2849b2866fc3711fb418d6cea7f4be0062035fbd2eae00789c7ce3 |
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font_02_sfnt_off000122c2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x122C2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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