MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a phishing or trojan payload. It contains numerous external links, many pointing to compromised CMS upload directories or disposable hosting, suggesting a link farm designed to redirect users to malicious sites. No scripts were extracted, but the overall structure and heuristic firings point to a malicious document intended to lead users to external, untrusted content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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://kemenyseprosiklos.hu/upload/file/lulosuxa.pdf
- https://www.carrentchiengmai.com/files/getifeviwebudariwolajeva.pdf
- https://www.toptalentusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a6adbc08ec---miviwukobotojo.pdf
- http://anatolianlgs.com/userfiles/file/ninulategonopavesigedug.pdf
- https://dentinale.eu/wp-content/plugins/super-forms/uploads/php/files/848a4f5b7352b767b1ed866e44a8524f/50448005307.pdf
- https://www.plsok.com/wp-content/plugins/super-forms/uploads/php/files/0ac23ae83ff9411ae3f133212d4bca15/27744652358.pdf
- http://inewbus.com/wp-content/plugins/super-forms/uploads/php/files/5u1kssupqkotpn8n2u2fb3vdc0/62248820707.pdf
- http://www.cascinasorigherio.it/wp-content/plugins/formcraft/file-upload/server/content/files/160bbcf2312e9a---84784789416.pdf
- http://brlairport.com/images/file/24312722454.pdf
- https://alarrabnews.com/images/content/content/file/46792770491.pdf
- http://drive4smilesquebec.ca/clients/f/f5/f58105ca183540932673f5bf18e62671/File/tekiv.pdf
- https://shining4u.com/wp-content/plugins/super-forms/uploads/php/files/3277a9b490fb2742da087b9ca7727d76/xolujagat.pdf
- https://www.ediliziaindustriale.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608103842badd---17538679776.pdf
- https://www.basur-tedavisi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607280419cf3d---lutogazezukakilukak.pdf
- https://www.nordatec.com/wp-content/plugins/super-forms/uploads/php/files/6a65bmdh2mjkk8t4b4v86qk43j/22023754644.pdf
- https://arte-salon.ru/upload_picture/65829789789.pdf
- http://lovesushiscv.com/uploads/files/zagudi.pdf
- http://basyapiemlak.com/yukleme_klasoru/userfiles/file/35121360056.pdf
- https://contabil-fiscal.ro/mm/file/14810200360.pdf
- http://bakoca.hu/files/file/zadumos.pdf
- https://dipinkrishna.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090a983e1f01---filobadamilasajerititabul.pdf
- http://twothirdsmajority.us/clients/38522/File/mugupajaxenozufi.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=airpods+android+app+apk
- 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_off0000e4b3.binc3e5686762366c54b32fc4057e701a579610691bec4d9995a5114e1259017691 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4B3 | 18532 bytes |
font_01_sfnt_off00011404.binedbf3cea784478c07eb227a536327d25f0a12f7db3db45dbd2226b3af733af8b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11404 | 10184 bytes |
font_02_sfnt_off00012adc.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12ADC | 16792 bytes |
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