MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users. The ML classifier strongly indicated maliciousness. While no scripts were explicitly extracted, the nature of the URLs and the heuristic firings suggest a phishing or malware distribution attempt, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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 https://philabc.ru/uplcv?utm_term=head+first+servlet+and+jsp+2nd+edition+pdf PDF link annotation
- https://polinagerz.ru/wp-content/plugins/super-forms/uploads/php/files/mhktl753bj34hh3gghngo6cbfc/didupozipupofebojibezifa.pdfIn PDF document text
- https://people11people.gr/uploads/File/13941069574.pdfIn PDF document text
- http://boilerservis.ru/uploads/files/8298650538.pdfIn PDF document text
- http://okwmd.com/upload/fckeditor/file/fuzojikapevabelet.pdfIn PDF document text
- http://holzbau-napetschnig.at/zoriredodelipotaj.pdfIn PDF document text
- http://vagtteam.com/userfiles/Files/vurova.pdfIn PDF document text
- http://vytvarnyobchod.cz/UserFiles/File/53881733599.pdfIn PDF document text
- http://knshzj.com/CKEdit/upload/files/77034365855.pdfIn PDF document text
- http://share-world.tw/userfiles/file/femiraxovu.pdfIn PDF document text
- https://andrejc.si/files/file/62195305870.pdfIn PDF document text
- https://threadworx.com/thread/admin/uploads/file/67066900503.pdfIn PDF document text
- http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/l387008eheeg1r95ubub7ivj74/zopojabuxowikul.pdfIn PDF document text
- https://polskieplytki.com/wp-content/plugins/super-forms/uploads/php/files/be560a99cee45aeb56fc1548cdc7a638/98722394161.pdfIn PDF document text
- http://ladyqueen.it/userfiles/files/wawozamuremur.pdfIn PDF document text
- http://patrick-jardinage.fr/ckfinder/userfiles/files/2449730969.pdfIn PDF document text
- http://planetamama.ru/files/file/wixekebapewuxaxetikukuga.pdfIn PDF document text
- https://portsidestrategies.com/wp-content/plugins/super-forms/uploads/php/files/107fefa81f5c31190d4174c746c96b05/23793621863.pdfIn PDF document text
- https://aryaayur.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082e963ccc57---79495544588.pdfIn PDF document text
- http://arohitourandtravels.com/userfiles/file/16068414058.pdfIn PDF document text
- http://ilturismoinitalia.it/userfiles/files/91433040242.pdfIn PDF document text
- https://sip7.pl/autoinstalator/sip7.online/wp-content/plugins/super-forms/uploads/php/files/167e727830e0260059ecfdc3531cf683/65464542968.pdfIn PDF document text
- http://vote4dannybarry.com/clients/2/2f/2f5d4f67c16906f9b09010289963de11/File/90238799118.pdfIn PDF document text
- https://hurghadalife.net/userfiles/files/75895058226.pdfIn PDF document text
- https://gccpay.net/wp-content/plugins/super-forms/uploads/php/files/f37851deda94c1600aefeda2a119fdf7/gipedaxu.pdfIn PDF document text
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/a9dd4c2e5b159db1a563f75d17764346/jokasanu.pdfIn PDF document text
- 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_off0000e759.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE759 | 10800 bytes |
SHA-256: e4f845e8af7b2ce7b0114fd66eaca9fe38801494138dcc3fb230d8015f14d9a0 |
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font_01_sfnt_off0001004a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1004A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001185c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1185C | 17416 bytes |
SHA-256: 7d850df1c5ece589de2176e65d5a9b8e9995484875cdb9ade9f10192047792fb |
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