MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was identified as malicious by ML classifiers and ClamAV, specifically flagged as a phishing trojan. The document contains a large number of external links, many of which point to websites hosted on compromised Content Management System (CMS) upload storage, suggesting a phishing or malicious redirection scheme. The presence of a link farm on disposable hosting further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9928
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 https://gamletaarnhuset.no/wp-content/plugins/formcraft/file-upload/server/content/files/160861bed6cfd4---32490955750.pdf
- https://jaiminsales.com/ckfinder/userfiles/files/17536003334.pdf
- https://idea-web.ro/app/webroot/files/userfiles/files/1684518412.pdf
- http://jnnycc.org/userfiles/file/75907380513.pdf
- http://ankurgroups.com/userfiles/file/97839093896.pdf
- https://benqmusicworkshop.com/fupload/file/86741790390.pdf
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609bee83606d1---64554775804.pdf
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b15bc77dbc---15154107682.pdf
- http://tecnoservizi.com/userfiles/files/73379688325.pdf
- https://binhruamuinanobac.com/wp-content/plugins/super-forms/uploads/php/files/cicmqi95iucucg06qvqhnhooc3/86612725228.pdf
- https://vaytieudungtragop.com.vn/wp-content/plugins/super-forms/uploads/php/files/v1gjlr685q7u2im8nsvhrp6ilv/pefinatebefenotogikiwarux.pdf
- https://malimbe.africa/wp-content/plugins/super-forms/uploads/php/files/66915428b41a8ed03f5ab8c1991bd1cf/39151054445.pdf
- http://chocoenglish.com/_UploadFile/Images/file/liwojovu.pdf
- http://travelshops.pl/userfiles/file/razenezarexizelilenaxek.pdf
- http://kystop.com/wp-content/plugins/super-forms/uploads/php/files/joh4e6o3e7duiuh0eghb086193/tidizatuvexopoliz.pdf
- http://verduciautodemolizioni.it/userfiles/file/79344312159.pdf
- http://pansophers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a10357740e6---jojet.pdf
- https://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d91493360d---fupavis.pdf
- https://ceadersvalet.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7b9a4b9e51---61781158623.pdf
- http://silesiacapital.eu/data/file/rebuvojosimofer.pdf
- http://3handseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d30837a8c14---xunumuzugefekafo.pdf
- https://wilsonbarrera.com/inicio/wp-content/plugins/formcraft/file-upload/server/content/files/1609137be2d001---tuxorewoserunixad.pdf
- https://jackyrouxmethode.com/userfiles/file/95132948066.pdf
- http://rotarylaspalmas.orgdocumentos/file/81653408992.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=i+am+going+back+to+the+start
- 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_off000181f8.bin282798ade230b3df1646dcc73f1b155f25c849ec31a87b158a544fc77bf12141 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x181F8 | 10812 bytes |
font_01_sfnt_off00019ab9.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x19AB9 | 16792 bytes |
font_02_sfnt_off0001b2cb.bin6e3e49c2bca94c0c983b0628d10dd0546fbeabe1f74e7b57cbf0843b0c18c918 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1B2CB | 16888 bytes |
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