MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs pointing to compromised WordPress sites and other disposable hosting, indicative of a link farm. Heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' strongly suggest this malicious intent. ClamAV also detected this file as 'Pdf.Phishing.Trojan'. The document body is heavily obfuscated and unreadable, providing no direct content clues.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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://archinfo.ru/uploads/file/pubeborapetejofabe.pdf In PDF document text
- https://canvasations.com/wp-content/plugins/super-forms/uploads/php/files/1dn87crbveojvuh7u5g7pfm3t5/lujese.pdfIn PDF document text
- http://www.veronicaneal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/1607e9f5140344---remufagi.pdfIn PDF document text
- http://testplanet.nl/uploads/files/busokavekunuz.pdfIn PDF document text
- http://andreagarciam.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d18aee17a4a---buzolopefivikebutiduwiwiv.pdfIn PDF document text
- http://wisdomtours.net/upload/file/pokojofizapatanawib.pdfIn PDF document text
- https://solarconsulting.org/wp-content/plugins/super-forms/uploads/php/files/5562f14c972929ece303a3abba67f14f/lewakat.pdfIn PDF document text
- https://www.cocochan.com.pk/wp-content/plugins/super-forms/uploads/php/files/1ce5e8985d74d506bec7f41b005fe041/1482279774.pdfIn PDF document text
- https://spencershaulageltd.co.uk/wp-content/plugins/super-forms/uploads/php/files/6249839b71ed31ccee3812fd0303934b/35747337570.pdfIn PDF document text
- http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/1609e9c5bb29e7---jarewusuzafud.pdfIn PDF document text
- https://baileyelectrical.services/wp-content/plugins/super-forms/uploads/php/files/922icou2shpmld66nqldo4fh4f/46233371550.pdfIn PDF document text
- http://wannawwannie.pl/userfiles/file/rupawidivisezijokofikofas.pdfIn PDF document text
- http://toyteepee.com/uploadfiles/file/210731230057672447bsf7su.pdfIn PDF document text
- https://sailstudy.in/ckfinder/userfiles/files/kenorapupisiwog.pdfIn PDF document text
- https://fceresources.com/ckfinder/userfiles/files/55658141161.pdfIn PDF document text
- http://kythuatviet.vn/uploads/userfiles/file/64279141680.pdfIn PDF document text
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/160755492bd188---24121435625.pdfIn PDF document text
- https://proxus.nl/file/30824347985.pdfIn PDF document text
- http://2ds-creations.fr/userfiles/file/45817960979.pdfIn PDF document text
- http://www.highlandmetals.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1607eb946bc440---tevenaf.pdfIn PDF document text
- https://razvozka24.ru/wp-content/plugins/super-forms/uploads/php/files/f3d11f558b9a09fe2e4e9cedd45d5a5b/45182984923.pdfIn PDF document text
- http://sinara.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a4c9f8a171c---lozobomavar.pdfIn PDF document text
- http://sakirnoopo.ru/wp-content/plugins/super-forms/uploads/php/files/5892ef0aa9e39e3517521e8a9eb4fc17/wiwulonoseta.pdfIn PDF document text
- https://x-software.cz/data/file/51344319794.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=plc+ladder+diagram+symbols+pdfPDF link annotation
- https://bxthirteen.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/0734fd01c968a0c3257408ac28caf207/71590345082.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_off0000f02a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF02A | 17648 bytes |
SHA-256: 7f66df9d02f63f2d042418e630a8d70ce0245280fb7b298257682b6cabff5236 |
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font_01_sfnt_off00011e17.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E17 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001362e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1362E | 11016 bytes |
SHA-256: f16fefc37374e59c40e894cebf92521c837a28b0e42e605c2597fd031f692ab9 |
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