MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm pointing to multiple URLs hosted on compromised CMS upload directories, suggesting a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly indicate malicious intent. The presence of numerous links on potentially compromised sites reinforces the attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9820
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://www.investing-in-women.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083bc704f726---86120824920.pdf
- http://www.ponderosafestival.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c9a985e51d---ronafonog.pdf
- http://www.marcelasemper.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cc50880a539---fekananokonawototokegowi.pdf
- http://bjsprt.com/uploadfile/file///2021052917560093.pdf
- http://berallebags.com/UploadFiles/FCKeditor/20210605041812.pdf
- http://filtrydokoparek.pl/img/all/1509420015.pdf
- https://christembassyromford.org/wp-content/plugins/super-forms/uploads/php/files/6756159e6f5a82d0ca7f0f222b971513/lozomimabu.pdf
- https://arvikabc.com/images/uploadedimages/file/wojufaxoleworitiw.pdf
- http://fine-cottage.ru/userfiles/files/24817697131.pdf
- http://www.ellisrasbetonwerke.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1607ef66d2d37f---88562157005.pdf
- http://for-rent-antwerp.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8bebd1f267---66014028391.pdf
- https://styliststudios.com/imagesTE/file/20226816271.pdf
- http://moyamoya.center/images/hand_uploaded/files/kisibe.pdf
- https://www.ccps.mx/wp-content/plugins/super-forms/uploads/php/files/2bbd59232a76d09cff499b242592478d/didaximamesevelibo.pdf
- https://impariant-club.ru/wp-content/plugins/super-forms/uploads/php/files/3a4782c23b32c36b37641439678b079f/89804149693.pdf
- http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/160a7e1b550be6---tatevigurab.pdf
- http://www.suffaheducation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a685980a334---67044711219.pdf
- https://auf.vn/wp-content/plugins/super-forms/uploads/php/files/1taettsoo66mfpf98no7a193e6/28745690824.pdf
- https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a7a45cc0f6---xetuwen.pdf
- http://mouaumfb.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f066bdf457---nilodivaxixarusutafemov.pdf
- https://nilsagame.com/calisma2/files/uploads/peziwuxi.pdf
- http://allprintusa.com/admin/images/file/zowinoririturej.pdf
- https://puertoestereo.com/wp-content/plugins/super-forms/uploads/php/files/fmeuk7v3d12nnbi8agrh8l3jlo/3430919453.pdf
- https://rhagro.com.mx/wp-content/plugins/super-forms/uploads/php/files/e414e5a17864d4bfc6f66952b68262e0/63444967139.pdf
- http://www.julitolaschools.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080fff8a74d2---pobudagidikusaj.pdf
- https://eviinstall.com/userfiles/files/70532763089.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=engineering+an+empire+worksheet+answers
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000111f0.bin5e513a451ceb1d6680269be58cd85a5c7523d03a4bce1ebc142783c1ceee9ad4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111F0 | 18580 bytes |
font_01_sfnt_off000142aa.bin9f81ad14916d8a18c5e1bcb76d361e5b4c797c75000a187801ff455e17f9a4d5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x142AA | 10812 bytes |
font_02_sfnt_off00015b7d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15B7D | 16792 bytes |
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