MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links, many pointing to compromised WordPress sites and disposable hosting, indicating a link farm designed to redirect users to malicious content. The ML classifier strongly flagged this PDF as malicious, supporting the assessment of a malicious link farm attack pattern. No scripts were extracted, and the document body was unreadable, so the rationale is based on the PDF structure and URL analysis.
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 https://inlandautorepairmurrietaca.com/wp-content/plugins/super-forms/uploads/php/files/582ea4c350ab353aab37ef3e248d4d28/denidaziz.pdf In PDF document text
- http://intechsol.kz/wp-content/plugins/formcraft/file-upload/server/content/files/160c9c5a925db8---mofokumi.pdfIn PDF document text
- https://mgs-on-track.com/uploads/misc/files/34532224352.pdfIn PDF document text
- https://veritiesinstitute.com/wp-content/plugins/super-forms/uploads/php/files/e811d3cff3fa4782ad1cb9127b814ae7/fuxasok.pdfIn PDF document text
- http://sanga.asia/userData/board/file/14848935254.pdfIn PDF document text
- http://osullivanspressurewashing.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075b520a6433---wifitinulidoza.pdfIn PDF document text
- https://shinyjewellers.com/wp-content/plugins/super-forms/uploads/php/files/m3tgqe90v423uhq3mu2ctfr19l/vojamubipigotig.pdfIn PDF document text
- http://bahtiyardishekimi.com/fckfiles/file/mufetefuzedejapewijow.pdfIn PDF document text
- https://regalcabs.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607b82ca37203---kubamiwikiruvumokelukoj.pdfIn PDF document text
- http://seanmore.com/userData/board/file/99919195784.pdfIn PDF document text
- https://speeddating.lt/speeddating/ckfinder/userfiles/files/razinejadaga.pdfIn PDF document text
- https://dongytueduc.com/wp-content/plugins/super-forms/uploads/php/files/0jv1ekhk77ie7kled52gndea20/sogovafakajimiladibolakek.pdfIn PDF document text
- https://www.officinadelgustoroma.com/wp-content/plugins/super-forms/uploads/php/files/35939df732804a2d6b3d1bd3ae31837a/pitulusof.pdfIn PDF document text
- http://grupposcorcia.it/userfiles/files/60656659240.pdfIn PDF document text
- http://vector-mebel.ru/uploads/files/94345713553.pdfIn PDF document text
- https://neavocats.com/wp-content/plugins/super-forms/uploads/php/files/837000f3d7d3a916520ca97281cad576/nogozusudapawedaw.pdfIn PDF document text
- https://viajespereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606caddc81218---kerudam.pdfIn PDF document text
- https://www.simcoerecovery.net/wp-content/plugins/super-forms/uploads/php/files/mplpp35ibp0incnpe9eoe5cip7/gopedulanitu.pdfIn PDF document text
- http://sakirnoopo.ru/wp-content/plugins/super-forms/uploads/php/files/81cf492563f401406df30c47ef9f821a/goworebedokogugimuj.pdfIn PDF document text
- https://kfz-gutachter-oliver-schiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609d3f5287321---walururazakeka.pdfIn PDF document text
- https://californiaoptionsrealestate.com/wp-content/plugins/super-forms/uploads/php/files/7e879fec3f734bac3fe71b276c23bfb8/tatitafobotitekat.pdfIn PDF document text
- https://invest.pl/userfiles/file/xuzaravapotenawa.pdfIn PDF document text
- http://www.kmclogistics.com/wp-content/plugins/super-forms/uploads/php/files/1b8f982b80f7b3d88d77626227b74c58/jotekutawewifaxululu.pdfIn PDF document text
- http://www.lentilles-progressives.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16085626452d2f---pitabefuxawelirekanuvo.pdfIn PDF document text
- http://agiteam.org/clients/b/b0/b0c4817036ef1cb73596cc935f3fa86d/File/xitenefex.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=html+to+pdf+c%23+stackoverflowPDF 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_off0000e203.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE203 | 10012 bytes |
SHA-256: a67be29401885aeb9cebf23bf2b86d7cc02b9d528a6fa7ea26bebb718e0b10c5 |
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font_01_sfnt_off0000f833.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF833 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011045.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11045 | 17752 bytes |
SHA-256: 1033152903867f50915196ca142e66b8e2a5278aef4d4b810778bfff286ba4ee |
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