MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate the document functions as a link farm, directing users to multiple compromised CMS upload locations. These links likely serve as a distribution point for further malicious content or phishing attempts.
Machine Learning
- Nyx PDF Classifier malicious score 0.9860
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://inspirationallabels.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160ad62cbe58f7---50436678015.pdf
- http://vendsol.com/userfiles/file/kudiman.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d06e6cc7f7---zasifixusafo.pdf
- http://mynigaoe.com/upload/file/20210522102050.pdf
- https://alixdemassy.fr/userfiles/file/59480912416.pdf
- http://tomaszskiba.com/userfiles/file/jasazalojetasem.pdf
- https://www.conkite.com/wp-content/plugins/super-forms/uploads/php/files/01a400382be0c2e15ddb85ec76a4648b/96007522951.pdf
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/gl86sp54jgce50c966adp5c8cs/sarotakofepowo.pdf
- https://residenciasanamaro.es/userfiles/files/7487823273.pdf
- http://prosquash.by/data/vuzizesubifalexugejebu.pdf
- https://e-lightingcontrols.com/wp-content/plugins/super-forms/uploads/php/files/edbc353ec32014fcbabc1096d3063aa6/13308385459.pdf
- https://www.themeshcowork.com/wp-content/plugins/super-forms/uploads/php/files/6144381fc46b6b12d9447640a1d47121/nixojaxagogokifif.pdf
- http://moristas.com/userfiles/files/75576102676.pdf
- http://zabradli-znerezu.cz/userfiles/file/rasapuwiwegodazad.pdf
- http://svenstavik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2b587115eb---wusabibewumubetosa.pdf
- http://exactblue.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a65a5c3c840---jeluxilex.pdf
- https://htfcompact.com/wp-content/plugins/super-forms/uploads/php/files/72cf5ca0a5ea83ad7faa2b9b6d95ce2c/32060052784.pdf
- https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/5065b43aa74a14c8f4ddf2dfa5be7f3c/86662465210.pdf
- https://www.simplythebestevents.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160b4956393d02---kuvexisemolunevu.pdf
- http://www.medicalalliedtraining.com/wp-content/plugins/formcraft/file-upload/server/content/files/160839d1e90bae---63883775761.pdf
- http://pcwenhua.com/uploadimg/file/1622937571888979120.pdf
- http://mega-gold.com/userfiles/files/7119956483.pdf
- http://massageindex.nl/images/uploads/bikirosa.pdf
- http://axwelindia.com/uploads/zifanow.pdf
- https://imapcb.org/wp-content/plugins/super-forms/uploads/php/files/doblpcb0vd6vir4egu0oveaff6/65611606566.pdf
- https://sportsht.com/userfiles/file/59185234374.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=the+butterfly+that+stamped
- 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_off0000e77a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE77A | 16792 bytes |
font_01_sfnt_off0000ff8c.bin0cd0c5f394caa7ab5934bb94326a8f51e63cc7af4b8a7ff8618c445e67105493 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF8C | 16460 bytes |
font_02_sfnt_off00012a3c.bin6aa93b4c657a9d88662afdf7b6655c5bb26af2da0fa9d1bbfd2616651b096685 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A3C | 10764 bytes |
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