MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it contains a link farm pointing to compromised WordPress upload storage and disposable hosting, suggesting an attempt to host malicious files. The presence of a visual download button further supports a phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a786e1195bf---dulilenosojumafiliko.pdf In PDF document text
- https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/91rh1vkbrq211o212qdv3tfj43/remuj.pdfIn PDF document text
- https://www.m2asolutions.com/wp-content/plugins/super-forms/uploads/php/files/65e3845c2db11312fe917589bc03c1ea/31689348290.pdfIn PDF document text
- https://thehamptonsbloomington.com/wp-content/plugins/formcraft/file-upload/server/content/files/160de1d774341c---50498767576.pdfIn PDF document text
- https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/160cee3b393cc0---52732021765.pdfIn PDF document text
- https://wamsconference.com/wp-content/plugins/super-forms/uploads/php/files/61e070189fea040927ee1e86e95ac0db/64286320799.pdfIn PDF document text
- https://www.msolartop.cz/wp-content/plugins/formcraft/file-upload/server/content/files/1608166f3a7e9d---79479903695.pdfIn PDF document text
- https://empylean.com/wp-content/plugins/super-forms/uploads/php/files/3n01vrsodecftgktkbdtgoumbi/vesunadojivarekomox.pdfIn PDF document text
- http://www.kevinbrooks.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1609ad6621e224---sugofo.pdfIn PDF document text
- http://flywings.sk/UserFiles/file/8120852844.pdfIn PDF document text
- https://realestateconnect.pro/wp-content/plugins/super-forms/uploads/php/files/t24nqtvfidb823ml1801j7r3g5/4904536978.pdfIn PDF document text
- http://www.amedna.com/userfiles/files/4233620804.pdfIn PDF document text
- https://www.siemers-deutschmann.de/wp-content/plugins/super-forms/uploads/php/files/ga73u12hv16499rnfdtbhe37r4/mobididagidinutoxirun.pdfIn PDF document text
- http://jyotiacademicpress.org/uploads/file/15757631631.pdfIn PDF document text
- https://saftanton.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160872e441d479---39781200205.pdfIn PDF document text
- http://bethanybaptistcolumbus.org/clients/75549/File/36044871539.pdfIn PDF document text
- http://byecook.com/ckupload/files/48846108743.pdfIn PDF document text
- http://www.whirlpool-beachcomber.at/wp-content/plugins/formcraft/file-upload/server/content/files/160b23f854473d---sijejomugupekupavuj.pdfIn PDF document text
- https://athensviptour.com/wp-content/plugins/super-forms/uploads/php/files/ecbc3860f15a8e5b909347e02d41e01a/sakodetumufujebojanoloxo.pdfIn PDF document text
- http://sieckultury.pl/wp-content/plugins/super-forms/uploads/php/files/8a5319d593d28961eee1606108a7db5b/gijanalujosapo.pdfIn PDF document text
- http://asiavent.com/UserFiles/file///votawofogi.pdfIn PDF document text
- https://rittenhousesmiles.com/wp-content/plugins/super-forms/uploads/php/files/fbf33ed11ebc0cb41169cbf12e83a54b/dakitisalewaj.pdfIn PDF document text
- https://angkoronetour.com/userfiles/file/25716927141.pdfIn PDF document text
- https://www.cpro.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160759cecaafc2---wuxat.pdfIn PDF document text
- https://creativesilhouettes.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160733bfbd2f37---toxubibitadikoj.pdfIn PDF document text
- https://anpheatingandac.com/nbloom/fckuploads/file/kazitelesona.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=pints+and+gallonsPDF 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_off0000f8c0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8C0 | 17496 bytes |
SHA-256: 589841a9a0484406dddc5dff11e2187daedd9e4bad0358acdb81ed5f10762586 |
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font_01_sfnt_off000126a9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x126A9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013ec0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13EC0 | 10192 bytes |
SHA-256: 40753815929e5bb4c92b3fd20ebd5e4711e487490de0440e534b994ad2534728 |
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