MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ClamAV as a phishing trojan and by an ML classifier, indicating malicious intent. It contains a link farm pointing to compromised WordPress sites, likely serving as a lure for phishing or malware downloads. No scripts were extracted, but the presence of numerous external URIs suggests a redirection mechanism.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://wbbray.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ce1f138e8b4---gufono.pdf
- http://ozona.pt/wysiwygfiles/file/limifin.pdf
- http://alltechsro.cz/files/44661724809.pdf
- http://www.recetasyconsejos.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3b02372939---14787750753.pdf
- https://hightechrustremovers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16084a654f2131---paruwokefepafi.pdf
- https://heritagelogs.com/wp-content/plugins/super-forms/uploads/php/files/d0do8kp1atqb29ao9ml884n7ov/37919187522.pdf
- http://mognational.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4276d7fb93---59825468873.pdf
- http://grawerlik.pl/userfiles/file/botalamawoxazex.pdf
- http://fittbike.hu/files/file/80463144747.pdf
- https://keluargamimpi2.com/contents//files/bigag.pdf
- http://cuatudongbinhduong.net/uploads/files/9053110027.pdf
- http://sh8ke.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a151df403d9---37564178981.pdf
- https://howardsteeves.com/wp-content/plugins/super-forms/uploads/php/files/2478837bf54112057c82143409cd13e5/jifapogexerakidixamudi.pdf
- http://myexamadvisor.com/fck_uploads/files/musogotaxakunijuzeg.pdf
- https://zweiund40.com/wp-content/plugins/super-forms/uploads/php/files/oc0il7ldtapuknkd97s0ast216/jimewibuwunakosudiveg.pdf
- https://www.reliancecareuk.com/wp-content/plugins/super-forms/uploads/php/files/6dc4724e025315aab9ad978d28fd8989/1818721288.pdf
- http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/56953d64f03d10789f50d4fda601d116/79078563038.pdf
- https://ipcare.nl/wp-content/plugins/super-forms/uploads/php/files/v8144354blsi6p7dflr038svtq/24572206019.pdf
- http://lichnyiybrand.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160945c4e7fa05---gukixamefitiwosekafif.pdf
- https://www.couleurs-et-jardin.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160856890105e5---51901539671.pdf
- https://paidionresearch.com/userfiles/files/14782216355.pdf
- http://www.asslar.de/downloads/49406502823.pdf
- https://divorcioconsensual.com.br/wp-content/plugins/super-forms/uploads/php/files/1e88dbc8a298eb4ab44d97569ab1b57d/zowonewofon.pdf
- http://goref.ru/files/file/48334993159.pdf
- http://cohn-vossen.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c46ee848a1---23370277576.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=tannoy+reveal+6d+manual
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f6f4.binc04ae3e7518770f23c8fc3d86089dd76bc8335baef60ea47a35863c17fba552b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6F4 | 21416 bytes |
font_01_sfnt_off00012e56.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E56 | 16792 bytes |
font_02_sfnt_off0001466d.bin770fc5819493c65b0bdadf733f8784f9dbfae7dee4dce2e4aa197bb647344c8a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1466D | 10460 bytes |
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