MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by a machine learning classifier and ClamAV as malicious, exhibiting characteristics of a phishing or trojan delivery mechanism. Heuristics indicate it functions as a link farm, utilizing compromised CMS uploads and disposable hosting to obscure the ultimate destination of the links. The presence of numerous unknown URLs suggests a broad attempt to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://autoandtruckrepair.net/nbloom/fckuploads/file/xanoroj.pdf
- https://nam.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607ec471a5be0---fofipad.pdf
- https://lapalettedesarts.fr/gestion/file/naxala.pdf
- https://storage-in-motion.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607abec08d2ca---83489084363.pdf
- http://go-trec.com/wp-content/plugins/super-forms/uploads/php/files/vgepiulbi6cinfadeh910nb9at/busujumejogamopizomolov.pdf
- https://ms02bet.com/contents//files/tipusujonijijo.pdf
- http://alumcity.ru/userfiles/file/64790775548.pdf
- http://cukiernia-waltar.pl/qcms/userfiles/file/liwaw.pdf
- https://kurishupally.org/userfiles/file/16479851696.pdf
- http://wjvanderheidedienstverlening.nl/uploads/file/98011244691.pdf
- https://www.acetechnology.co.in/wp-content/plugins/super-forms/uploads/php/files/g3ea283gkje4h07ojenlnt1ll1/baminarogazejerela.pdf
- http://tokyoracing.hu/userfiles/file/35709487182.pdf
- https://primeodontorj.com/wp-content/plugins/super-forms/uploads/php/files/e6999f677148690a3d438d0c6908582e/nalame.pdf
- http://www.thelawchamber.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d7297bba3a---14951056656.pdf
- https://www.goldenplanet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1608862337c2fc---paraloxubemulozobirate.pdf
- https://www.physioaktivkramer.de/wp-content/plugins/formcraft/file-upload/server/content/files/160be71e0e506b---96427591954.pdf
- http://connect-senior.ch/uploades/userfiles/file/rijelunupaf.pdf
- https://hgb.se/filer/file/80436027609.pdf
- http://topopentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ace9fc88ee6---67803270125.pdf
- http://www.gaviprintpack.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8b8c81fae4---wepubuwokugepidi.pdf
- http://in-dapt.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c89095e567---rawewuwoxibubawo.pdf
- https://tlpnw.com/wp-content/plugins/super-forms/uploads/php/files/3fcffcf7bd47b2c2327db97f814a6305/95498732430.pdf
- http://agataklimowska.pl/userfiles/file/bunedurugorawobob.pdf
- http://teerosy.com/ipp/images/uploads/files/kurofanivepokeworigenule.pdf
- https://steklo-shik.ru/userfiles/file/61491416222.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=interior+angles+of+a+decagon
- 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_off0000c65c.bin372cfa9bd8fe040a1c8568239e13ba165037cf957e96221fcf1b9bdf9b124572 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC65C | 16932 bytes |
font_01_sfnt_off0000f2c0.binac8a33e1be1c4970852e606d363cd6fc3af840d0bbc08a113202122a24712d63 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2C0 | 10604 bytes |
font_02_sfnt_off00010ae5.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10AE5 | 16792 bytes |
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