MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample is a PDF file flagged by ClamAV as Pdf.Phishing.Trojan and by an ML classifier as malicious. Heuristics indicate it functions as a link farm, pointing to numerous URLs hosted on compromised WordPress sites. These links are likely intended to redirect users to phishing pages or download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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://mgmkt.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16096e6b46bf1d---zemotapivepala.pdf In PDF document text
- https://www.anandtirth.com/wp-content/plugins/super-forms/uploads/php/files/3kiec5g5uc3osr5i7f1c6r2h17/tuwutemuzimeguzuju.pdfIn PDF document text
- https://www.sir.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160708a69789f5---vaxuregiwuxus.pdfIn PDF document text
- https://thinkglobalcompliance.com/ckfinder/userfiles/files/xukikolujupebavereluneze.pdfIn PDF document text
- http://hferrynetworks.com/FileData/ckfinder/files/20210621_85126675476B2961.pdfIn PDF document text
- http://businessplan-capalpha.eu/mbp/upload/images/images/upload/ckfinder/kisenedamitabekatiro.pdfIn PDF document text
- https://asiabiru.com/contents//files/90256847743.pdfIn PDF document text
- http://www.northeastmarquees.com/wp-content/plugins/super-forms/uploads/php/files/4d959a06e544aa759af8e14cf4f3a992/rujapo.pdfIn PDF document text
- http://silesiacapital.eu/data/file/23488925120.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e7d1d0f15d---34360622865.pdfIn PDF document text
- http://hpmcfamilyreunion1968.com/clients/83891/File/99760535964.pdfIn PDF document text
- https://baongochoa.com/upload/file/16746519165.pdfIn PDF document text
- https://cullinanconstruction.com/wp-content/plugins/super-forms/uploads/php/files/6khesk69j24u69dordpfgb6kmm/ziwok.pdfIn PDF document text
- http://ackerviewguesthouse.com/userfiles/file/61627193885.pdfIn PDF document text
- http://www.kreasoft.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160acac295b3fa---96447161211.pdfIn PDF document text
- https://admonks.ru/wp-content/plugins/super-forms/uploads/php/files/2de6d6d052ee14b8876efc3b5a62f12a/42271393035.pdfIn PDF document text
- http://datev.hu/ckfinder/userfiles/files/89405941777.pdfIn PDF document text
- https://flexrocksrollovers.com/wp-content/plugins/super-forms/uploads/php/files/g94hb9iinngdpij5v04i2ni4tu/24474788179.pdfIn PDF document text
- https://dentinale.eu/wp-content/plugins/super-forms/uploads/php/files/acfd6b3d0d966d3249021a39ce26b3c2/66692592666.pdfIn PDF document text
- http://herodumpsterrental.com/wp-content/plugins/super-forms/uploads/php/files/38be766badfd593e62d1e7d927fa2fd0/xixejidoga.pdfIn PDF document text
- https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c2ce5a61305---viler.pdfIn PDF document text
- http://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075bd16e8889---47771173468.pdfIn PDF document text
- http://talani.nl/userfiles/image/file/ledudano.pdfIn PDF document text
- https://xlspandoek.nl/userfiles/file/50315513556.pdfIn PDF document text
- https://www.sixteengrams.com/wp-content/plugins/super-forms/uploads/php/files/sn1jevmd187prqcnoro0ip1i7m/68582427606.pdfIn PDF document text
- http://kino-profi.com/wp-content/plugins/super-forms/uploads/php/files/86157e100a3effae4d43a545a47294df/66936139479.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=final+fantasy+crystal+chronicles+mapsPDF 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_off0000f2ec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2EC | 17028 bytes |
SHA-256: c661f93baf8b148ef64a6d9d6d7eed544de4f149f8572245cafc8fbc656b1648 |
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font_01_sfnt_off00011f70.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F70 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013787.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13787 | 10836 bytes |
SHA-256: 40ae8c7f1e9ad1a3ebf1b3a17382aabce49855fb9e8f5c513eeff3bc23c4e723 |
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