MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. It contains numerous links, many pointing to compromised WordPress upload directories, suggesting it functions as a link farm to distribute malicious content. While no scripts were explicitly extracted, the PDF structure and link farm behavior are indicative of a phishing or malware distribution attempt, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9834
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 http://eduomania.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082b63704241---gejazexivifadot.pdf In PDF document text
- https://humantouchtranslations.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/160ac69b37f664---kedenijenenujebub.pdfIn PDF document text
- https://limadelimon.com/images/file/kosuj.pdfIn PDF document text
- https://lokmangal.co.in/wp-content/plugins/super-forms/uploads/php/files/1183a0db3e9e4923b095ed8669129aa7/xowexexojefax.pdfIn PDF document text
- https://www.finestkindcharter.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3d375bda45---xesevibelazoxus.pdfIn PDF document text
- http://sosonomo.com/ckfinder/userfiles/files/ruxivu.pdfIn PDF document text
- http://www.consorcio.edu.pe/wp-content/plugins/formcraft/file-upload/server/content/files/160849acc366b0---8453270090.pdfIn PDF document text
- http://lacasedescaraibes.fr/file/kejaxaki.pdfIn PDF document text
- http://wbbray.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc4461608fa---1936418867.pdfIn PDF document text
- http://franklinbristerharveyfamily.com/clients/a/a8/a8910385c57dfddac3c6311e2bd1422e/File/ponekiguwusi.pdfIn PDF document text
- http://fernandopelosini.it/userfiles/files/86298831599.pdfIn PDF document text
- http://eltonltd.ru/sites/default/files/uploads/mofebopasitujipopo.pdfIn PDF document text
- http://vigova.vn/Images_upload/files/28511889874.pdfIn PDF document text
- https://coloreverything.love/wp-content/plugins/super-forms/uploads/php/files/79d981285cc188c55412ea2788f22da2/bipuxafijizivevavi.pdfIn PDF document text
- http://berbun.com/user_img/file/jefibopuludiguveretog.pdfIn PDF document text
- http://ventensis.lt/public/ckfinder/userfiles/files/xojaba.pdfIn PDF document text
- https://www.onestopnaturalstore.ca/wp-content/plugins/super-forms/uploads/php/files/slhsfc6lldnqjh7hfk62b6e5ij/xetatilifez.pdfIn PDF document text
- https://soudurelausiere.ca/upload/editor/file/85129008268.pdfIn PDF document text
- https://al-farh-iq.com/upload/userfiles/file/jegupererexolatimekasozun.pdfIn PDF document text
- https://laxmigrouppune.com/wp-content/plugins/super-forms/uploads/php/files/a5fc492de9812ade01e2062a1b8cc4c1/38400996204.pdfIn PDF document text
- http://sunwisechem.com/Uploadfiles/files/21084308013.pdfIn PDF document text
- http://lotuscourtpune.com/wp-content/plugins/super-forms/uploads/php/files/044e62bc9ddd888cb164f25c5b2d36ae/xilaberopavagazunosu.pdfIn PDF document text
- http://captainkillmite.com/uploads/files/202108180303451991.pdfIn PDF document text
- https://2greenchicks.com/wp-content/plugins/super-forms/uploads/php/files/15ea71a6bb0d28fac612990a483c371c/56637055562.pdfIn PDF document text
- https://home18.ru/wp-content/plugins/super-forms/uploads/php/files/9a04d0c99fa7aff32e8e461a7e660db0/29099955358.pdfIn PDF document text
- http://ehoron21.mn/uploads/files/92266914857.pdfIn PDF document text
- https://pluckywize.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8d26f5ee2d---24785090840.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=water+conservation+is+important+becausePDF 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_off0000daf7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDAF7 | 10788 bytes |
SHA-256: a967dfdd378620fdf35576a035ae5573db89b9cf8fe4a4ade06ac768ca10b5a2 |
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font_01_sfnt_off0000f3a5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3A5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010bb7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BB7 | 23984 bytes |
SHA-256: 763fb8b4c27f8934478b138ca06c6fbfc8762b2e48123c9db35463687e176c15 |
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