MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF document containing embedded JavaScript, which is a common technique for executing malicious code. Several heuristics indicate the PDF hosts a link farm pointing to compromised WordPress upload storage and disposable hosting, suggesting a phishing or malware distribution attempt. ClamAV detection as 'Pdf.Phishing.Trojan' further supports its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9961
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://www.indee-r.fr/wp-content/plugins/super-forms/uploads/php/files/e2bf49bb4388c45eac1a98e0fc7b0215/lukopixikomot.pdf
- https://www.siemers-deutschmann.de/wp-content/plugins/super-forms/uploads/php/files/bvted10v8pi2j16f1gj7nco8dg/xawupotavobusidazivinug.pdf
- http://sciencevier.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088c6bf34646---37874152613.pdf
- http://www.sealjet.mn/pictures/files/21489845938.pdf
- http://chronicles.ae/userfiles/files/valesewifadesij.pdf
- http://hoanggiaphatland.com/uploads/image/files/37948097735.pdf
- http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160e44409b3081---60437341553.pdf
- http://www.putnamtaxi.net/wp-content/plugins/formcraft/file-upload/server/content/files/1609b5d7097666---majopowepofolalazazuduro.pdf
- http://fitviewer.de/files/file/rarazol.pdf
- http://iideree.org/wp-content/plugins/formcraft/file-upload/server/content/files/16090b0f25ee8a---19757034765.pdf
- http://df-foundry.net/d/files/gaberezenegopawobosumis.pdf
- https://www.sanier.pl/wp-content/plugins/super-forms/uploads/php/files/58qbn2vfdaaoklu7rgm9fthub0/mofeguruxagibovuzelexe.pdf
- http://iwish-cosmetics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609286257b010---zituriterovakijet.pdf
- https://jiptv.nl/wp-content/plugins/super-forms/uploads/php/files/u3j5kc7n7vllikb41hn3ucrnbc/dopuworofofutiwuzowe.pdf
- https://www.tangelo.no/wp-content/plugins/formcraft/file-upload/server/content/files/1607a438007ff0---46210742814.pdf
- http://mysistermyfriendministries.org/clients/85776/File/23470579864.pdf
- http://nfc.soo.jp/file/fuzobavewilebisedilu.pdf
- https://aviseco.ro/userfiles/file/16843332854.pdf
- http://elonsummerstorage.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607666987eec7---974878589.pdf
- http://www.urbanwaterways.info/files/44578229360.pdf
- https://acryl-bg.com/userfiles/file/21799036778.pdf
- https://miruyuta96.ru/admin/ckfinder/userfiles/files/lalalemejegad.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=college+textbook+pdf+download
- 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_off0000f85e.bin452e995bcf9b5504242da06703219e6a50e2b9c81989d665f36bed6c1e04ea18 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF85E | 17120 bytes |
font_01_sfnt_off00012520.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12520 | 16792 bytes |
font_02_sfnt_off00013d37.bin85fce67c0d9c0872df966e97ff53a7023d0a30a01ef82969003752d39e30ecfd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13D37 | 10764 bytes |
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