MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, directing users to multiple external websites, many hosted on compromised CMS uploads or disposable domains. The presence of numerous unknown URLs suggests a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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://bluecars.pl/userfiles/file/59586445606.pdf
- http://berallebags.com/UploadFiles/FCKeditor/20210606001305.pdf
- http://air-ned.com/uploads/files/75519388780.pdf
- http://rethabise.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16076efe29699f---somewidulawawiwepibi.pdf
- https://www.denisonlandscaping.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b01c8e95a41---19599299452.pdf
- http://baovephuongtroi.com/vietkiendo/upload/file/98923180155.pdf
- https://mldom.xyz/web/img/podborky/files/84770146282.pdf
- https://xn----8sbaavnccwq4am.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/5665f694091705692a3f0949a2b61225/53437427205.pdf
- https://gbagencement.fr/uploads/file/vogasovajud.pdf
- http://grupogmec.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079928fbfca8---jefurudito.pdf
- http://domholidays.com/userfiles/file/94124654654.pdf
- https://www.grandiosa.is/wp-content/plugins/super-forms/uploads/php/files/ppp1l6oi2o8m5bpvclltk4cto5/3065537516.pdf
- http://www.drop-lok.com/wp-content/plugins/formcraft/file-upload/server/content/files/160701717e3e99---morebonafavowovavif.pdf
- http://www.alfainstal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160d9f2a89215f---29282132068.pdf
- http://cgt-fo-csc.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1609fd86667a85---badeboluzojinazana.pdf
- https://webupdate.ca/wp-content/plugins/super-forms/uploads/php/files/65bt99a7ht9e1onqk7s0o5p5ku/xepobiv.pdf
- http://donghozibistore.com/luutru/files/1435006722.pdf
- https://relleno-acidohialuronico.com/wp-content/plugins/super-forms/uploads/php/files/722f3af2de23418bd67e6120a8551ae2/kotisagofebaxizapeteg.pdf
- https://inlandautorepairmurrietaca.com/wp-content/plugins/super-forms/uploads/php/files/cd198419639f3ad287360077137e4572/43148840349.pdf
- http://braintradingbcn.com/wp-content/plugins/super-forms/uploads/php/files/6079a4cb5852e594439112d7115d1117/tadenizudebiz.pdf
- https://faresaldabbous.com/uploads/files/wokodagilufog.pdf
- https://mangmalungtea.com/userfiles/file/44029010612.pdf
- http://jnnycc.org/userfiles/file/niromuxaxugijigobegu.pdf
- https://bykevin.com/wp-content/plugins/super-forms/uploads/php/files/a146e1f3cbbeeed151dff34e73a406b3/17469488082.pdf
- https://mednet.mk/public_html/upload/userfiles/file/zasujatoxijozuzefane.pdf
- https://www.heracles-hotel.eu/wp-content/plugins/super-forms/uploads/php/files/6pvp2c65hd1uohkndcaap5jato/79717260025.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=how+to+re+attract+him
- 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_off0000f350.bin1b3a6272d03b7be64e50e9b7f9271a6ed68aba8c54d480ebbbba024af6ceb74a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF350 | 10252 bytes |
font_01_sfnt_off00010a64.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A64 | 16792 bytes |
font_02_sfnt_off00012276.bine3a0c8a12b9019603ca73f0f799d0b362fc07cfd2d204d67db752fa5a5d2cc40 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12276 | 17880 bytes |
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