MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised websites or disposable hosting, indicative of a link farm used for phishing or malware distribution. Heuristics and ML classification strongly suggest malicious intent, with ClamAV specifically identifying it as a 'Pdf.Phishing.Trojan'. The primary attack pattern involves luring users to external sites via malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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://ei-windykacja.pl/upload/file/70339060929.pdf In PDF document text
- https://pielinks.com/UserFiles/file/49611403358.pdfIn PDF document text
- http://ddnepal.com/assets/userfiles/files/dudarik.pdfIn PDF document text
- http://tulga.ru/editor/files/63451500822.pdfIn PDF document text
- http://www.telsercom.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135658786922---bavasubifiw.pdfIn PDF document text
- https://uudanbury.life/files/file/pokevalojuzilejane.pdfIn PDF document text
- https://sgicorp.com/userfiles/files/fabise.pdfIn PDF document text
- https://www.ayersworthglen.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fcdaa87997---mobaxuxob.pdfIn PDF document text
- https://zazilha.com.mx/wp-content/plugins/super-forms/uploads/php/files/a98e477cd77e3fc4f8c86555d2f510ee/36687578854.pdfIn PDF document text
- https://ofcourselc.com/admin/uploadsfile/8967545823.pdfIn PDF document text
- http://jfac.kr/ckfinder/userfiles/files/siropori.pdfIn PDF document text
- http://maysoi.com/hinhanh_fckeditor/file/25704412349.pdfIn PDF document text
- http://nriloan.jctoursandtravels.in/files/79515495923.pdfIn PDF document text
- https://aarhuskortet.dk/images/file/lepizidetisijokarexinej.pdfIn PDF document text
- http://salamino.pl/userfiles/file/58968121429.pdfIn PDF document text
- https://fiberglasssupplydepot.com/userfiles/files/36446941674.pdfIn PDF document text
- https://chocoinmobiliario.com/wp-content/plugins/super-forms/uploads/php/files/99388be176fa6f9f589590021c6fbb0f/53440985254.pdfIn PDF document text
- https://kakakmanis.com/contents/files/famametagarorofelek.pdfIn PDF document text
- http://mosjob.ru/images/file/nanibu.pdfIn PDF document text
- https://businessincasey.com.au/application/third_party/ckfinder/userfiles/files/81401884103.pdfIn PDF document text
- http://americasbestwingsbeltsville.com/uploads/files/5085855308.pdfIn PDF document text
- https://f2h63c2.ip4secure.net/upload/files/94820203029.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=far+other+direct+costsPDF 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_off0000d7da.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7DA | 18364 bytes |
SHA-256: 03ec68b44ec15f50c27a43a15c2d9fe1553b5fafca649da585587c9a6e7d5eb9 |
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font_01_sfnt_off000107c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107C4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011fdb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FDB | 10292 bytes |
SHA-256: 1eb8ab3c3f15527062bb1a22f9e58c6f50fa4b8a2591e52c3c9f296233dd6203 |
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