MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was identified as malicious by ClamAV and an ML classifier, with heuristics indicating it functions as a link farm. Several extracted URLs point to compromised CMS upload directories, suggesting a distribution mechanism for further malicious content. The PDF structure and embedded links are indicative of a phishing or redirection attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
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://warsztatgdynia.pl/app/webroot/media/files/vafeparudutidejuj.pdf In PDF document text
- http://dakdekkersindex.nl/images/uploads/48591111894.pdfIn PDF document text
- http://www.qookspot.kitchen/wp-content/plugins/formcraft/file-upload/server/content/files/161302cc33b879---29842079094.pdfIn PDF document text
- http://abovomedia.hu/_user/file/49893526306.pdfIn PDF document text
- https://sunarchegypt.com/userfiles/file/tekujagefe.pdfIn PDF document text
- https://mvmdigital.gr/files/files/tubixivazinidufipu.pdfIn PDF document text
- http://stalmont.eu/userfiles/file/tisasegewijifivizepobuti.pdfIn PDF document text
- https://www.marbelitesa.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/161374bc97886e---99643574019.pdfIn PDF document text
- https://fivetc.vn/uploads/files/poxewuzipolesud.pdfIn PDF document text
- http://amy-tsai.com/images_express/userfiles/files/lekupatetaxatojedavevexi.pdfIn PDF document text
- http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613da45a33d39---fesosegotofos.pdfIn PDF document text
- https://fptica.ru/images/file/18401994132.pdfIn PDF document text
- https://dmddsgn.com/wp-content/plugins/super-forms/uploads/php/files/d401b061ea3876f045913025ea557db5/85984698869.pdfIn PDF document text
- http://elcivan.com/admin/UserFiles/file/bipakodawelenafeg.pdfIn PDF document text
- http://becro-plast.hr/wp-content/plugins/formcraft/file-upload/server/content/files/16131727cb31ee---laleta.pdfIn PDF document text
- https://lombardpruszkow.pl/local/userfiles/file/34017237421.pdfIn PDF document text
- https://bcbc3399.com/upload/files/53485646341.pdfIn PDF document text
- https://srilangkapools.com/contents/files/bedimomimolawimawelilalu.pdfIn PDF document text
- https://gad-elhak.com/userfiles/file/maxuwag.pdfIn PDF document text
- http://schuetzenfest-hemeringen.de/ablage/userfiles/files/68791858535.pdfIn PDF document text
- http://dalieuht.com/app/webroot/uploads/files/34594539482.pdfIn PDF document text
- http://studiomilano.eu/userfiles/files/todadodiretade.pdfIn PDF document text
- https://corpusbg.com/files/fck/file/woxopago.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=can+you+check+airpod+battery+on+androidPDF 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_off0000d98b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD98B | 17292 bytes |
SHA-256: a32f5a7f29b31bd5839a463794505f0af196c7754b98379b6c25ad55b22facbc |
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font_01_sfnt_off00010668.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10668 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011e7f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E7F | 10876 bytes |
SHA-256: 76c6b0e1e8b68dbb844d081dc6d15dfb8bdd4b0085e58f9df74adc6f80cf5785 |
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