MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains a link farm pointing to multiple distinct hosts, many of which appear to be compromised CMS uploads, suggesting a phishing or malware distribution lure. The PDF structure and embedded URLs are consistent with techniques used to redirect users to malicious sites.
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://pphu-joanna.pl/fckpliki/file/98101525272.pdf In PDF document text
- http://tuning-zone.eu/userfiles/file/koxofu.pdfIn PDF document text
- https://www.reparaciondebomba.com.ar/wp-content/plugins/super-forms/uploads/php/files/nf6bekscbmg4ss7nccaen2hnn1/vuwanezovesevaxazewes.pdfIn PDF document text
- https://hotelritariccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/16093328f5c654---vatazovodomazi.pdfIn PDF document text
- https://howardsteeves.com/wp-content/plugins/super-forms/uploads/php/files/31583da52a57c4517589e281ff63a893/loxuvibubem.pdfIn PDF document text
- https://pk-kuepfer.ch/ckfinder/userfiles/files/kujuxokamakapinimixukinul.pdfIn PDF document text
- https://artenika.pl/fck/file/88188306869.pdfIn PDF document text
- https://www.kcequipment.com.au/wp-content/plugins/super-forms/uploads/php/files/ad6c36bf9bab2d566534bdb334a3ef01/romifomuxagukuki.pdfIn PDF document text
- https://metroguards.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16098934560401---rexazifudixuwitomag.pdfIn PDF document text
- http://countrysquirefoods.com/wp-content/plugins/formcraft/file-upload/server/content/files/160982ade98452---26457614562.pdfIn PDF document text
- http://www.kocay.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160c4c40e0f979---68925336273.pdfIn PDF document text
- http://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c9828a598e6---kisulagovisidepenumibefeg.pdfIn PDF document text
- https://youstore21.com/wp-content/plugins/super-forms/uploads/php/files/a42d5aeafe82bb6848ef1765ae669441/tovurevugapeges.pdfIn PDF document text
- http://asiavent.com/UserFiles/file///bagasesum.pdfIn PDF document text
- http://www.nandomoraes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16088f3bc430d3---66265016970.pdfIn PDF document text
- https://xuantruongtech.com/images/ckeditor/files/90144822048.pdfIn PDF document text
- https://www.expoagrogto.com/wp-content/plugins/super-forms/uploads/php/files/lk768knk6kf4s47svjbasp4045/90126486804.pdfIn PDF document text
- http://manufim.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160915c46844da---jinokuk.pdfIn PDF document text
- https://hgb.se/filer/file/86910718017.pdfIn PDF document text
- https://monacollection.ua/wp-content/plugins/super-forms/uploads/php/files/0dc30d1e7f441a561d937fc7be1862c5/kesopidemekas.pdfIn PDF document text
- http://alpha-th.com/userfiles/file/99497218203.pdfIn PDF document text
- https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/01e363777b6721046ccf7d0ed110653c/lofeponexipovinopes.pdfIn PDF document text
- https://www.karavanlakesfet.com/wp-content/plugins/super-forms/uploads/php/files/46485f7a685adf34ad9f8b2aa8331bf8/vifasodewawemezaf.pdfIn PDF document text
- https://www.lightingsolutionsinc.net/wp-content/plugins/super-forms/uploads/php/files/2f605558f68ee389ed5f042e1bef9bc1/28228108047.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=technical+analysis+of+niftyPDF link annotation
- http://lovewhereyoulv.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/adf3a328f68ec3e94d2e1405422fea19/43788960936.pdfIn PDF document text
- 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_off0000eea5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEA5 | 10408 bytes |
SHA-256: 6733532adfa6c6a3fa22cccee753de76e26212b3797fbea58431fabf453a36f9 |
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font_01_sfnt_off00010636.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10636 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011e48.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E48 | 18280 bytes |
SHA-256: 83cdef22a6f27f69da4cd4bb98376e2dcd48a13677eff22ee2c18be6f3466192 |
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