MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ClamAV as 'Pdf.Phishing.Trojan' and an ML classifier indicated a high probability of maliciousness. Several heuristics identified the document as a link farm hosted on compromised CMS upload directories, pointing to numerous unknown URLs. These findings suggest the document's primary purpose is to redirect users to potentially malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 6
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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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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.medical-psychology.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16093e332524bc---dipade.pdf In PDF document text
- http://applecentervn.com/uploads/image/files/78843150463.pdfIn PDF document text
- http://aclamerica.com/customers/CMS-IMAGES/file/79282255746.pdfIn PDF document text
- https://www.hotwaterfactory.com.au/wp-content/plugins/super-forms/uploads/php/files/8c4e9aa05e9f2ba5f116b31580c331db/13494513402.pdfIn PDF document text
- https://transcendenceit.com/wp-content/plugins/super-forms/uploads/php/files/5a632be5ef5911ad3c83ef463c748455/lixedinotepogirasetopotav.pdfIn PDF document text
- http://www.drop-lok.com/wp-content/plugins/formcraft/file-upload/server/content/files/160703e5d770cc---24348817850.pdfIn PDF document text
- http://paroissedementon.fr/upload/files/pexelituzutugimamafuzuzus.pdfIn PDF document text
- https://irisapp.cn/uploadfiles/fckeditor/20210515/file/16210942394803.pdfIn PDF document text
- http://busankid.com/webfiles/board/file///23022170577.pdfIn PDF document text
- https://markzone.az/wp-content/plugins/super-forms/uploads/php/files/q5unpage8nhig4h8mh563jof81/dukulezovimud.pdfIn PDF document text
- https://senzedigicraft.com/wp-content/plugins/super-forms/uploads/php/files/dd6bd4617a042023685016770e59856a/68852405350.pdfIn PDF document text
- http://pwr-tech.ru/userfiles/file/57803865858.pdfIn PDF document text
- http://www.idenet.net/wp-content/plugins/formcraft/file-upload/server/content/files/160779576b69af---63661566989.pdfIn PDF document text
- http://drstevealbrecht.com/wp-content/plugins/super-forms/uploads/php/files/0ada80b0402bf729daf1af2664c946df/gozopo.pdfIn PDF document text
- http://audiencefertilization.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/87009378225.pdfIn PDF document text
- http://chicagohalo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ceb34a6dc2---64130573583.pdfIn PDF document text
- http://industra.sk/userfiles/file/waloponipenobisoku.pdfIn PDF document text
- https://nscs.org/wp-content/plugins/super-forms/uploads/php/files/995b45001a43431202b70de3f85d2a06/xesanilotiwu.pdfIn PDF document text
- http://quickfix-poland.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c42bdfde4b6---ropotezuturapibor.pdfIn PDF document text
- https://www.crossfitparamaribo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c57d3b76dea---xufufabokufurarisamijisot.pdfIn PDF document text
- https://www.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b847dfcbb8a---19903088477.pdfIn PDF document text
- https://www.eziblank.com/wp-content/plugins/super-forms/uploads/php/files/qr7lphocs6d373qe67lseq1k03/70288330576.pdfIn PDF document text
- https://davebakeragency.com/wp-content/plugins/super-forms/uploads/php/files/45e93d4020fa27897fe1d002000069f2/65201566751.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=may+month+in+tamil+calendarPDF 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_off0000ea6c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA6C | 16620 bytes |
SHA-256: 76b8221ae99e6aad06e2312454152c4a624741c4001232a81493dacd171c976b |
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font_01_sfnt_off000115a2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x115A2 | 10576 bytes |
SHA-256: 6063a95e716db5ff8ec350b63a0c977caa5cd678bd034f22ccc04cccb9b321a2 |
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font_02_sfnt_off00012d8f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D8F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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