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 URLs, many of which are hosted on compromised CMS platforms. The ML classifier strongly indicates maliciousness. The primary attack pattern observed is the use of a link farm to direct users to potentially malicious or phishing websites, likely as part of a broader phishing campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9986
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://chikatere.com/Upload/files/bivoporixojadalolavejegik.pdf In PDF document text
- https://otdelkamos.ru/wp-content/plugins/super-forms/uploads/php/files/28feac5c8afe6f9ee356f20591c0d3a9/39140219633.pdfIn PDF document text
- http://americasbestmanassas.com/uploads/files/vozuridonasaxegegipufide.pdfIn PDF document text
- http://technoculture.cz/admin/upload/file/fatopabimesebi.pdfIn PDF document text
- https://nationalcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cdde9063fc---18368382092.pdfIn PDF document text
- https://master.plus/wp-content/plugins/super-forms/uploads/php/files/8185897d458c70ccc2882894ae04fd70/xasijigixumewovug.pdfIn PDF document text
- https://turismoporsantander.com/aym_image/files/49784005243.pdfIn PDF document text
- http://www.recetasyconsejos.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c9b62727512---61322851162.pdfIn PDF document text
- https://dedywiredja.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c06863a9e55---91291143524.pdfIn PDF document text
- https://fobiy.net/wp-content/plugins/super-forms/uploads/php/files/302942005ce1d5ab91beee2c34bc3dde/20600710516.pdfIn PDF document text
- http://paintingservicesonline.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160b0dd8a84562---xeluwagivutof.pdfIn PDF document text
- http://triumphtoday.org/wp-content/plugins/formcraft/file-upload/server/content/files/1606caf8203ce2---bojewezajivapex.pdfIn PDF document text
- http://mea-travel.pl/userfiles/file/petepavegetug.pdfIn PDF document text
- http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/mftuoej0vc5cjtka0ap0v48t10/95087381676.pdfIn PDF document text
- http://www.expo-hotel.com/english/wp-content/plugins/formcraft/file-upload/server/content/files/160c08ce62cea7---27008075001.pdfIn PDF document text
- https://completecollegestrategies.com/wp-content/plugins/super-forms/uploads/php/files/186381fdbf09aef7c2e94bfe49e87d56/vodifozigumebu.pdfIn PDF document text
- http://aptchasers.com/FCKeditor/userfiles/file/79167803444.pdfIn PDF document text
- https://gbeequestriansurfaces.com/wp-content/plugins/super-forms/uploads/php/files/gcmiljndu2ct78jnua5fserokr/bakiwalumu.pdfIn PDF document text
- http://travisreunion.com/clients/1/1d/1d9c560ef9ee6310b862f4c9d288d7bd/File/43591704617.pdfIn PDF document text
- https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/dd6trg377r85t043jbfa1j3dp0/46719752164.pdfIn PDF document text
- http://giayviettri.com/img-ftec/files/vekipulebunajodus.pdfIn PDF document text
- http://cuacuongiare.vn/upload/files/lusidinusupitaxila.pdfIn PDF document text
- https://rmissio.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160890a18a46df---gudix.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=how+to+apply+for+ppp+forgiveness+paypalPDF 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_off0000f94f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF94F | 17172 bytes |
SHA-256: 88462175485912360dbe2f77462deec5c67dc61b1fc5b19e53b114288cfa016d |
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font_01_sfnt_off0001263d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1263D | 10792 bytes |
SHA-256: 818a4c3a4535e1c6979e12360b26b65b511a0d6ab817214c2da6c2b7b5ab6f67 |
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font_02_sfnt_off00013f4b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13F4B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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