MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://www.predoisiasociatii.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16079359901c99---4386644562.pdf In PDF document text
- http://zabradli-znerezu.cz/userfiles/file/zorojegetolamaditobu.pdfIn PDF document text
- http://amandatravel.com/userfiles/file/54732707633.pdfIn PDF document text
- http://446888.top/userfiles/file/88187440199.pdfIn PDF document text
- https://impariant-club.ru/wp-content/plugins/super-forms/uploads/php/files/f9b2753c772529e59e0545045307b1d5/texudakireroduraguxum.pdfIn PDF document text
- http://www.siposferenc.hu/html/91897602278.pdfIn PDF document text
- https://simovi.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16080a748d311d---vatasinimazugitijutej.pdfIn PDF document text
- https://segurosjdd.com/wp-content/plugins/super-forms/uploads/php/files/ktsnldbj5ecn9f717gcsnr1nd0/383950397.pdfIn PDF document text
- https://www.cdscabling.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16100e168d1e71---masake.pdfIn PDF document text
- http://xn----7sbabaajmdfbk3ddf3azka3b6a2r.xn--p1ai/ckfinder/userfiles/files/95939589369.pdfIn PDF document text
- http://barrybusiness-crm.com/ressource/devis-photo/files/73409582013.pdfIn PDF document text
- http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3cbffd0034---fijaruxujorimogunog.pdfIn PDF document text
- https://cal.lighting/wp-content/plugins/super-forms/uploads/php/files/4fd18d7acf73bca3d07fe709d94c5124/watoluxabavilijono.pdfIn PDF document text
- http://sbnjl.com/userfiles/files/jamibowerasopixer.pdfIn PDF document text
- http://schouteninterieurwerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160aebb9728edb---lusen.pdfIn PDF document text
- https://imihwa.com/uploads/image/20210815/files/20210815204521.pdfIn PDF document text
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/a6f3b6182f0e6b3a29cfed180080fa58/59402307059.pdfIn PDF document text
- http://naturallabs.fr/userfiles/file/20011331485.pdfIn PDF document text
- http://www.gametimecatering.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077a66c2f13b---parura.pdfIn PDF document text
- http://agriturismoilnoceto.com/userfiles/files/12198762328.pdfIn PDF document text
- http://pololanna.com/user_img/files/38201868137.pdfIn PDF document text
- https://eldorado777.ro/upload/editor/file/30048325338.pdfIn PDF document text
- https://www.arc-welding.co.uk/wp-content/plugins/super-forms/uploads/php/files/b1gu78tv8145quj0lflh7ighud/samoxurototajodunovadovur.pdfIn PDF document text
- http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b3fdf13f2bc---toxag.pdfIn PDF document text
- https://www.helpagesl.org/wp-content/plugins/formcraft/file-upload/server/content/files/160d901226cb48---4407445746.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=business+communication+notes+for+bcom+1st+year+pdfPDF 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_off0000f2df.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2DF | 19920 bytes |
SHA-256: f1f539fa5f828fd4901e3c1fb98d50a966d0e2380e091f85d4514d980f1ffa3b |
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font_01_sfnt_off00012675.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12675 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013e8c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13E8C | 11196 bytes |
SHA-256: 624feef8f3a03caa7b4502ff71128335531f0f6992b7cf2f53ac01ec8ae00487 |
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