MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to multiple compromised or disposable domains. The presence of numerous unknown URLs suggests an attempt to distribute or host malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 7
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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://webinaris.blog/ckfinder/userfiles/publics/files/lavudovimaroja.pdf In PDF document text
- http://mbeautyconcept.com/upload/content_images/file/68963497494.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16144b1195268c---45742778064.pdfIn PDF document text
- https://labelmarket.pl/data/file/joxidesuderitisujewagig.pdfIn PDF document text
- http://xn--9p4b29dncp2cc6y.net/upload/fckeditor/file/61207742966.pdfIn PDF document text
- http://www.primalegal.eu/wp-content/plugins/super-forms/uploads/php/files/5fq3bn82816hhjcpfseqtj9sb2/xumuwi.pdfIn PDF document text
- http://for-rent-leuven.com/wp-content/plugins/formcraft/file-upload/server/content/files/161382f182dd2e---fenomijufufudagewi.pdfIn PDF document text
- https://fotojursa.cz/userfiles/file/96631173309.pdfIn PDF document text
- http://solmoda.it/userfiles/files/wovitasadapawipodimazajuw.pdfIn PDF document text
- http://praguetransfer.com/files/file/25107529438.pdfIn PDF document text
- https://ahl2005.com/ckfinder/userfiles/files/22734480084.pdfIn PDF document text
- http://abwingsmd.com/uploads/files/lipuzogiruruk.pdfIn PDF document text
- https://inlandautorepairmurrietaca.com/wp-content/plugins/super-forms/uploads/php/files/40b23128ff957358c6b974b05690e7b6/43340717367.pdfIn PDF document text
- http://citadelcaralarms.com/userfiles/file/82111942701.pdfIn PDF document text
- http://xn--sanitrprofi-p8a.ch/fckeditor/editor/images/file/80927459536.pdfIn PDF document text
- http://namhungholdings.com/uploads/ckfinder/files/4571594311.pdfIn PDF document text
- http://aqbnb.com/uploadfile/file/rosolerepupivumufakigo.pdfIn PDF document text
- http://kppzp.pl/userfiles/file/reretofesafudinakejosotu.pdfIn PDF document text
- http://mudrberanova.cz/userfiles/file/wanije.pdfIn PDF document text
- http://edeins.com/userfiles/file/32208816037.pdfIn PDF document text
- http://heilpraxis-pankow.de/wp-content/plugins/formcraft/file-upload/server/content/files/1612fa7a7dc43a---nemukagurukuporit.pdfIn PDF document text
- http://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/161324488b493a---76134951018.pdfIn PDF document text
- https://estoniapools.com/contents/files/26224318020.pdfIn PDF document text
- http://www.hgbehringer.de/img/files/files/67583168548.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=android+tv+prime+video+apkPDF link annotation
- https://bxthirteen.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/1ffd4fe1d1e98cc142cc15360e417dfe/4050731271.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_off0000f011.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF011 | 18148 bytes |
SHA-256: 7093d89476743f4b532b158765a0cf33f1e53104cdf725903a3e3403a17cc48b |
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font_01_sfnt_off00011f44.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F44 | 10476 bytes |
SHA-256: c812bf5fd143cc61e11b5727a1a8626b6da23324726eef3a6df54bf73a631025 |
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font_02_sfnt_off00013711.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13711 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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