MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file is identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, with numerous embedded URLs pointing to other PDF files hosted on various domains, some of which are associated with compromised CMS uploads. This suggests a tactic to distribute further malicious content or engage in SEO manipulation.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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 http://www.asiacoservice.com/file/files/dedakuzujob.pdf In PDF document text
- http://quaretti.it/userfiles/files/45137261609.pdfIn PDF document text
- http://saint-party.com/media/file/78764772177.pdfIn PDF document text
- http://archifolder.com/userfiles/files/66666870866.pdfIn PDF document text
- https://bluetact.com/ckfinder/userfiles/files/kobajosojemupo.pdfIn PDF document text
- http://bubblesoflove.net/wp-content/plugins/formcraft/file-upload/server/content/files/1613e21198a9fa---zofulitazobuf.pdfIn PDF document text
- http://nsk-nalogov.net/upload/files/59073060309.pdfIn PDF document text
- http://oodow.cn/upload/file/210918155608985540xiu71m78lg3j.pdfIn PDF document text
- https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/161424e943cb3a---molosixobufuxuxuvaxivo.pdfIn PDF document text
- https://xn----8sbaavnccwq4am.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/4ee0fc08c8ecb8a4f69c345fb8ecc131/3201162520.pdfIn PDF document text
- http://duocthientam.com/uploads/ckfinder/files/jolufiwazavaxerepagogup.pdfIn PDF document text
- http://badischer-kunstverein.de/ckfinder/userfiles/files/92369972887.pdfIn PDF document text
- http://cs-web-design.de/ablage/userfiles/files/10462731811.pdfIn PDF document text
- https://cristalensi.com/public/File/97914483204.pdfIn PDF document text
- https://radekslodkiewicz.pl/files/file/2351334507.pdfIn PDF document text
- https://cosonnguyenthanh.vn/webroot/userfiles/files/zawubifadam.pdfIn PDF document text
- https://creationstationdance.com/wp-content/plugins/formcraft/file-upload/server/content/files/161405ebd0967d---30009165440.pdfIn PDF document text
- https://www.chauffeur-prive-nice.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16130e5569b062---76516968202.pdfIn PDF document text
- https://regionalhealthprogramsww.com/images/file/pofosakelasus.pdfIn PDF document text
- http://residencecarlofelice.com/userfiles/files/24053913826.pdfIn PDF document text
- https://rafautama.com/uploads/file/90053458998.pdfIn PDF document text
- http://luligang.com/ckfinder/userfiles/files/bojeruliniwidemop.pdfIn PDF document text
- http://phupmirpol.pl/userfiles/file/42525342444.pdfIn PDF document text
- http://sushiosushi.com/uploads/files/mamonifubaratabegizaraf.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=oral+and+written+communication+soft+skillsPDF 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_off0000e1c1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1C1 | 10940 bytes |
SHA-256: 7a6111be32fc6b6fba2c38346c41584a7330e5cd63e28e57efa1414515a33e6d |
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font_01_sfnt_off0000fb2b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB2B | 17204 bytes |
SHA-256: 12d0adfd2514ddce7f399c319aa27f68c0a047e1053a5109c85e3c654526da9c |
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font_02_sfnt_off00012728.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12728 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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