MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of embedded URLs, many of which point to compromised WordPress sites. This suggests the document is being used as a link farm, likely to manipulate search engine rankings or to distribute malicious payloads. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9967
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://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/1614adc4ed7229---82224813258.pdf In PDF document text
- http://alexandersorokolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/47996915029.pdfIn PDF document text
- http://brandorbit.in/userfiles/file/sopuweloteg.pdfIn PDF document text
- http://xn--80aantfcaehjbxzf1m.xn--p1ai/userfiles/file/zunomat.pdfIn PDF document text
- http://cedresarquitectura.com/wp-content/plugins/formcraft/file-upload/server/content/files/16148647a8d821---814522236.pdfIn PDF document text
- https://www.ideaklinikkadikoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f871fd7d8b---mixowegobujoxegotovuxepax.pdfIn PDF document text
- https://nestsearch.in/admin/uploads/file/90698758913.pdfIn PDF document text
- http://taispacedesign.com/upload/files/sebifu.pdfIn PDF document text
- http://sola-brothers.com/userfiles/file/simutadoranififedigos.pdfIn PDF document text
- http://phayaotechno.com/UserFiles/File/marajinakefaxugofilux.pdfIn PDF document text
- http://joltiy.ru/uploads/files/37703306182.pdfIn PDF document text
- http://alvasari.com/wp-content/plugins/formcraft/file-upload/server/content/files/161506d6f1af6c---totuvurawabumo.pdfIn PDF document text
- http://helderlive.nl/ckfinder/userfiles/files/larejafatuvixera.pdfIn PDF document text
- https://takipcisec.com/calisma2/files/uploads/95737556646.pdfIn PDF document text
- https://suncables.co/images/file/lijiwokamirimikijumi.pdfIn PDF document text
- https://empresa-venta.hr/files/4701864038.pdfIn PDF document text
- http://autosoftware.company/autoresponders_images/files/lalililosokozobofa.pdfIn PDF document text
- https://baohohoanglong.com/userfiles/file/kejoxifedim.pdfIn PDF document text
- https://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/16138a31fd6775---80791542945.pdfIn PDF document text
- http://szm.hu/userfiles/file/miragezoxi.pdfIn PDF document text
- http://www.immiflex.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615615d6962ff---51237062384.pdfIn PDF document text
- https://livres-arts.com/ckfinder/userfiles/files/folulewomuxoxuzok.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=master+mods+for+minecraft+pe+addons+for+mcpe+apkPDF 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_off0000af10.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAF10 | 16816 bytes |
SHA-256: bd164a286e1c3cd4cc54cee88f77e18d8c472ae22a780586bdb77d371518b669 |
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font_01_sfnt_off0000d9d8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9D8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f1ef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1EF | 10820 bytes |
SHA-256: d2dfad8937b0228ae44c4ce31db61d837d95c8a781770fb4b6d54b52ec008970 |
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