MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan payload. It contains numerous links to external websites, many of which are hosted on compromised CMS uploads or disposable domains, suggesting a link farm used for redirection or phishing. The document body is heavily obfuscated and does not provide clear textual lures.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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 https://activepymes.com/pub/file/gusalukapojizanijepexofix.pdf In PDF document text
- https://siyata.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/1609f8cf5a046a---61723623944.pdfIn PDF document text
- http://www.julitolaschools.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c008b7e1130---getibulisuwetuzoni.pdfIn PDF document text
- http://donaldbermanmaimonidesgolf2020.com/clients/0/0d/0d43fbb8ff91cab41fa1b056c0d912a9/File/83815482052.pdfIn PDF document text
- http://divorce-difficile.fr/userfiles/file/zeweduzamunotazuduwejo.pdfIn PDF document text
- http://berbun.com/user_img/file/janixexerigabojonufosuv.pdfIn PDF document text
- http://www.brennholz-heinlein.de/wp-content/plugins/formcraft/file-upload/server/content/files/16071a4a379d39---vilifi.pdfIn PDF document text
- http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/vcqll2j575a1gnscgfapukt160/57213730189.pdfIn PDF document text
- https://sketchup360.vn/wp-content/plugins/super-forms/uploads/php/files/tdhcs3s98tuukfh53vouicng71/61427935766.pdfIn PDF document text
- https://ateneoarbonaida.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087b683f2f78---65723395751.pdfIn PDF document text
- http://eortak.com/img/fck_temp/file/sutonen.pdfIn PDF document text
- https://webgirls-studio.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dcb0b0722f3---52764972725.pdfIn PDF document text
- http://www.bewegeninarnhem.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a53e2397877---ferun.pdfIn PDF document text
- https://www.entornopublicitario.com/wp-content/plugins/super-forms/uploads/php/files/466d596d017d4370ba8cbc9d2e011373/56792669882.pdfIn PDF document text
- https://joefairless.com/wp-content/plugins/super-forms/uploads/php/files/fd5db621a270177ea74ef4e564f558d8/77843515151.pdfIn PDF document text
- http://www.expertnutritionadvisor.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095b75cda2f3---daguzotugomebuxilogeb.pdfIn PDF document text
- http://syuncyoku.jp/upload/file/83270069581.pdfIn PDF document text
- http://soflocops.com/clients/67403/File/92113964331.pdfIn PDF document text
- http://iamsoldierfit.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dfa58b9178a---gijexivulofekigoto.pdfIn PDF document text
- https://www.sharpeningfactory.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072da143a750---dafufegawapupotewogegad.pdfIn PDF document text
- http://cngwalk.com/fckeditor/userfiles/image/45292802930.pdfIn PDF document text
- https://www.dynasil.com/wp-content/plugins/super-forms/uploads/php/files/81819a966f74e4fb42af777c1896cf31/pokogozasenut.pdfIn PDF document text
- http://sciattella.net/images/file/74637669744.pdfIn PDF document text
- https://www.unicodesystems.com/wp-content/plugins/super-forms/uploads/php/files/75t4lmmi92vgpcdk0sdsbqqkl0/sakebegidugegonarivom.pdfIn PDF document text
- http://kirks-pool.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6c60c9c309---xumanipagudogoveri.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=left+side+of+head+sore+to+touchPDF 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_off0000f43b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF43B | 16888 bytes |
SHA-256: 703da6d4944deb2955b993d53afcccd275a8b0cbe47e44839b99b9e076f17ab5 |
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font_01_sfnt_off0001201f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1201F | 10480 bytes |
SHA-256: 44cce724e21f29f0b2304eafc829f72f8038a0790d7e70124789365320f379f3 |
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font_02_sfnt_off00013820.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13820 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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