MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. Static analysis revealed the document functions as a link farm, with numerous URLs pointing to compromised WordPress sites. These links are likely intended to lead users to phishing pages or download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://kingspec.su/wp-content/plugins/super-forms/uploads/php/files/qrcudc53u1lvp1ou0kffoqbud2/wapepixusarowo.pdf In PDF document text
- http://mextro.de/upload/files/21752388532.pdfIn PDF document text
- https://www.albispanaderia.com/wp-content/plugins/super-forms/uploads/php/files/1a004c8756ca82049230f89ada724615/moxedorekan.pdfIn PDF document text
- https://netcsemege.hu/ckfinder/userfiles/files/delawipebenapuja.pdfIn PDF document text
- https://jamiatulbanat.in/wp-content/plugins/formcraft/file-upload/server/content/files/160fd0ab91a631---bovofugigizinap.pdfIn PDF document text
- http://xn----8sbxab3abskk3a2j.xn--p1ai/media/file/91698514030.pdfIn PDF document text
- https://weblative.com/wp-content/plugins/super-forms/uploads/php/files/uvj8i7hkgs1k7ruu91r8eb5fvk/76275752682.pdfIn PDF document text
- https://room12shio4.com/contents//files/53174585930.pdfIn PDF document text
- http://stattus.com/assets/file/xodasugiwimivefikuxiz.pdfIn PDF document text
- https://www.conkite.com/wp-content/plugins/super-forms/uploads/php/files/de9c370388f501289f39c38f779907d3/5679617387.pdfIn PDF document text
- https://www.helpfulhunks.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a31bdcea84f---52721722911.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba874023ea9---zapuma.pdfIn PDF document text
- http://www.thebetterinsurance.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608149c86ac72---labepofeperolaz.pdfIn PDF document text
- http://skiflogistics.ru/userfiles/file/jawamijofukunakili.pdfIn PDF document text
- http://cortabellanews.com/userimages/fekagigikokuxasudexujafi.pdfIn PDF document text
- https://rhythmcprandfirstaid.com/wp-content/plugins/super-forms/uploads/php/files/d516d08bb77348e5fac8e16da062dd77/pomigewurijojosowo.pdfIn PDF document text
- http://escolacaritas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c233ecd912---54145352835.pdfIn PDF document text
- https://moma-restaurant.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085be3c13aa2---tamuteje.pdfIn PDF document text
- https://amirep.com/wp-content/plugins/super-forms/uploads/php/files/5fa2d6b88398a355bae6fc186f3c584b/12904146753.pdfIn PDF document text
- https://perleyparish.org/wp-content/plugins/super-forms/uploads/php/files/1d3e4396990a6a06405d87256ae3fbe3/sexuvipumolazokik.pdfIn PDF document text
- http://overtonnation.com/clients/f/f9/f97855507a39dfa58978186db9bff07a/File/70649004519.pdfIn PDF document text
- http://mid-europe-ex.com/17571409450.pdfIn PDF document text
- https://diversified-nj.com/wp-content/plugins/super-forms/uploads/php/files/1f14bb1448a19555be25ea5098bdd77e/folebig.pdfIn PDF document text
- https://www.glasswindowequipment.com/wp-content/plugins/super-forms/uploads/php/files/b432c05553b3a4b0cfe52b0600c58aa4/pemabafiwasipudoso.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=florida+boat+license+practice+testPDF 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_off0001402c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1402C | 10624 bytes |
SHA-256: edbf4a1d8442843e02bdfcc3158c092715652fb56b6c7b7e1fd4129e2c8edaff |
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font_01_sfnt_off0001584f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1584F | 18568 bytes |
SHA-256: f3e2b1abc546d54ee36c4c0bb3f22e6abc040f5f81b626396facc98d4f6c7f58 |
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font_02_sfnt_off000188d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x188D3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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