MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many of which point to potentially compromised websites or disposable hosting, characteristic of a link farm used to distribute malicious content or phish for credentials. The heuristic firings indicate the PDF is designed as a link farm, with some links pointing to compromised CMS uploads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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://whiteplacard.com/UserFiles/file/54770506004.pdf In PDF document text
- http://centrlita.ru/archive/image/file/jelozuzurepivevarib.pdfIn PDF document text
- https://dawnraytech.985.tw/data/file/userfiles/files/ponabividawapeginipe.pdfIn PDF document text
- http://pk-rowery.pl/user_pict/file/banetode.pdfIn PDF document text
- http://mizuho-co.net/file/ck/files/54520365839.pdfIn PDF document text
- https://coopinproject.eu/ckfinder/userfiles/files/16522037220.pdfIn PDF document text
- http://oumkua.com/userfiles/file/86114402702.pdfIn PDF document text
- http://mega-gold.com/userfiles/files/37845171989.pdfIn PDF document text
- https://www.loscam.com/lib_common/ckeditor/ckfinder/userfiles/files/busiluleriwuvonekutevesap.pdfIn PDF document text
- http://runbo.net/upfiles/files/16305587215317.pdfIn PDF document text
- http://kino-profi.com/wp-content/plugins/super-forms/uploads/php/files/8a2b38b6b0577477fc80794c7ba246ab/25360274061.pdfIn PDF document text
- https://keyseries.us/userfiles/file/kowumelixawisag.pdfIn PDF document text
- http://spy-military-labs.com/userfiles/file/95971760732.pdfIn PDF document text
- https://binhruamuinanobac.com/wp-content/plugins/super-forms/uploads/php/files/ai3rlk00og3geo2cb587ke6p8g/84805614495.pdfIn PDF document text
- http://kkagro.com/media/images/upload/file/ruzanawafafivasa.pdfIn PDF document text
- http://minerva-collection.net/files/files/fepem.pdfIn PDF document text
- http://yeongwonenc.com/userfiles/file/64692835502.pdfIn PDF document text
- http://lateonsettay-sachs.org/userfiles/file/jabixukukidefobe.pdfIn PDF document text
- https://moiatakashta.com/userfiles/file/49131450178.pdfIn PDF document text
- https://ceral.pl/ceral/pliki/file/vedelokaw.pdfIn PDF document text
- http://www.predoisiasociatii.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613749e16b7da---85601112127.pdfIn PDF document text
- http://rmgoals.com/userfiles/files/pefujazeladolosewafine.pdfIn PDF document text
- http://la-roofers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1613ab48b6b809---mofafabopetefareve.pdfIn PDF document text
- http://dcbestwings.com/uploads/files/6352826741.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=how+to+access+settings+in+androidPDF 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_off0000c56b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC56B | 18428 bytes |
SHA-256: d9168d7f18deee64b9269032596b80068cc6d2fe7917afe6b34aaac6d0094ede |
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font_01_sfnt_off0000f50c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF50C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010d23.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D23 | 10576 bytes |
SHA-256: fee77ce873db7597ad37d6635fe0c285e91d93f1c8ce23c18f40f2bc894683dc |
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