MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains a link farm pointing to numerous other PDF files hosted on compromised websites. This suggests a campaign to distribute malicious content or phish users by luring them to these external links. The ML classifier strongly indicated maliciousness, and the structure aligns with a spearphishing attachment delivery method.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 5
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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://homeopathyhk.com/files/18042154962.pdf In PDF document text
- http://elmiraclassiccountry.com/wp-content/plugins/super-forms/uploads/php/files/8tfov1vpt7a4q27l1t34mpmal7/merodel.pdfIn PDF document text
- http://www.jesuseslaroca.org/wp-content/plugins/formcraft/file-upload/server/content/files/16114e8e1853ac---34560764384.pdfIn PDF document text
- http://www.reroofingbrisbaneqld.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609d93acbd26e---3366388444.pdfIn PDF document text
- http://bartuceviri.com/userfiles/file/dokerojapix.pdfIn PDF document text
- http://tauroconsulting.pl/userfiles/file/felukuvupusafijefu.pdfIn PDF document text
- http://mini-garden.ru/userfiles/file/gekizakifemobexe.pdfIn PDF document text
- http://pck.malopolska.pl/wp-content/plugins/super-forms/uploads/php/files/aac3f139c35d9723c1b3e48759b8c759/85218781015.pdfIn PDF document text
- http://shinies.ru/img/lib/file/12187378324.pdfIn PDF document text
- http://canxetaidientu.com/images/file/2322031071.pdfIn PDF document text
- https://network-italia.it/file/36245272361.pdfIn PDF document text
- http://www.sg-callenberg.de/wp-content/plugins/formcraft/file-upload/server/content/files/160bd50548f4f1---sifazejegawetosogariwip.pdfIn PDF document text
- https://camile.vn/wp-content/plugins/super-forms/uploads/php/files/dd4458huqvf0s2oe3l5031l03b/12052680533.pdfIn PDF document text
- https://cruiseship.cruises/wp-content/plugins/super-forms/uploads/php/files/0srab8pumceq14v8qq237u1gku/xoboxap.pdfIn PDF document text
- http://autoshiftbid.com/fckeditor/userfiles/file/44085679690.pdfIn PDF document text
- https://www.seblocation.com/ckfinder/userfiles/files/pederakalivogaf.pdfIn PDF document text
- http://ceomit.com/fckupload/file/43112922122.pdfIn PDF document text
- https://spectrumohio.com/wp-content/plugins/super-forms/uploads/php/files/3d61aeceebc2b1ee33f4a38845be72a0/78656296774.pdfIn PDF document text
- https://kaimano.it/file/14829816356.pdfIn PDF document text
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160c5c0e5c50a6---foxitupegujeneveze.pdfIn PDF document text
- http://3duct.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c8276d1ec0---lazenerezor.pdfIn PDF document text
- http://italiancousins.net/clients/5/54/54f3d33123424807706abe9154268524/File/tikojuvab.pdfIn PDF document text
- http://connect-senior.ch/uploades/userfiles/file/66256933501.pdfIn PDF document text
- https://www.thecandystoresudbury.com/wp-content/plugins/super-forms/uploads/php/files/sk3amearisf890el7fakeu5tei/93382528676.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=red+hat+linux+7+commands+pdfPDF 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_off0000d96c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD96C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f17e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF17E | 17432 bytes |
SHA-256: aca0a1a72915d1f2d41760511dae098ef85804345fbc34b42f238a9bca818437 |
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font_02_sfnt_off00011ec6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11EC6 | 11084 bytes |
SHA-256: 8002c5380173157c4969fcbfe596c357f99c08d6799d06f10b007e4e4a745b89 |
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