MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links, many pointing to compromised CMS upload directories and disposable hosting, suggesting a link farm designed to distribute malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent, specifically identified as a phishing trojan. No scripts were extracted, but the structure and URL analysis are sufficient for a high-confidence assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://reicar.dk/userfiles/file/rodewele.pdf
- https://www.federatedlighting.com/wp-content/plugins/super-forms/uploads/php/files/24cb180feb219115ad500f7b1cf3f717/jirenawojakebujev.pdf
- https://okna-stv.ru/userfiles/files/zewev.pdf
- http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/160a9273b36e8c---bujopubemogeme.pdf
- https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b299b84c1e4---fujivulofogira.pdf
- https://www.guestquesttravelmedia.com/wp-content/plugins/super-forms/uploads/php/files/v8q8iiib5bhojqff2t271k2cpc/dabagomol.pdf
- https://kurtoglumob.com/upload/file/26218766347.pdf
- http://falegnameriacastiglione.it/userfiles/files/xulamob.pdf
- https://alianzatours.com/imagenes/file/bufeguzimelozu.pdf
- https://sirikulsteel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f54ebe5441---33191801851.pdf
- https://www.formwork.co.uk/wp-content/plugins/super-forms/uploads/php/files/1c2c2aqram81rsf2q2ql9qcil6/tuwejujezujokiwigufi.pdf
- http://ohappy.org/userData/board/file/47293809892.pdf
- http://ohappy.org/userData/board/file/18330016408.pdf
- https://aquariumfargo.com/wp-content/plugins/super-forms/uploads/php/files/9a6814c49a28848f093fe1c6d0a71c5a/mejufifotakekomadifajalo.pdf
- http://kidsjeodo.com/images/files/50913382093.pdf
- http://www.hkqi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607dfbf948856---5408494099.pdf
- http://emanuelmlevin.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/subolunesotofatitolela.pdf
- https://rclurie.com/wp-content/plugins/super-forms/uploads/php/files/019a9317eb7876efe536e8bda0a4d3de/16230583793.pdf
- https://husvagnsexpo.se/wp-content/plugins/formcraft/file-upload/server/content/files/160bc7976e39c9---40506614507.pdf
- http://maasmartcity.com/userfiles/file/dujilu.pdf
- http://energo-winstal.pl/userfiles/file/sikiporogepulemevane.pdf
- https://kfz-gutachter-oliver-schiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606cb0e41a83f---kilerosiv.pdf
- https://nic-irq.com/userfiles/files/80258886559.pdf
- https://www.hotel-palladium.gr/wp-content/plugins/super-forms/uploads/php/files/icd2q7idjkh4u5scbd3gfdkbn1/tusetezanuxidozugekafinem.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=tubidy+mp3+player+music+download
- 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_off0000dc5c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC5C | 16792 bytes |
font_01_sfnt_off0000f473.bin155af6cbf203380ed4f2c9117e5272bd885243f319b358a3313f097359309b7b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF473 | 11152 bytes |
font_02_sfnt_off00010e4f.bin4e11d9f4f4406be1990ad773cf43a4ab5cf2b7cdbf45fe7bff6e3858d1683ccb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E4F | 16872 bytes |
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