MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 User Execution: Malicious Link
This PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, directing users to multiple compromised websites and disposable hosting, likely for phishing or malware distribution. The presence of numerous unknown URLs and the 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic strongly support this attack pattern.
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://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/kf8qpgmg7b96li8nfc0vljpjo4/zovakinajajodolul.pdf
- http://www.nationaalgolfcongres.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1606ff31107349---zaseferolavetilorasumeluj.pdf
- https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087199b585f7.pdf
- https://samavetpharm.com/userfiles/files/32874280910.pdf
- https://kodeac.com/wp-content/plugins/super-forms/uploads/php/files/aa9d4uk78b08haid1ba82ll3r4/98449765926.pdf
- http://myucmas.com/userfiles/file/lafobogofexejefovizu.pdf
- http://malagi.pl/user-files/fck/file/7628259172.pdf
- https://benchmarktransitions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160811f47cc270---tepasaburijubinaj.pdf
- https://sentinels.ro/userfiles/file/vukimavarewonoguku.pdf
- https://audreyheselmans.com/_files/file/fitadivodudadopepixi.pdf
- http://irinaburmistrova.ru/files/kawizel.pdf
- https://nhaban24h.com.vn/wp-content/plugins/super-forms/uploads/php/files/0ltg8kd602i66qqto230d3h0sm/rajibo.pdf
- https://pensiuneavlasin.ro/wp-content/plugins/super-forms/uploads/php/files/q2j5e9tefbb231d6eaqicsgi5k/41552024612.pdf
- https://coloreverything.love/wp-content/plugins/super-forms/uploads/php/files/8e68768272d6928ab2d1966269624f9b/wawunode.pdf
- http://applexin.com/ttpsea/files/file/famunujuxudizuve.pdf
- http://baraanduliaptti.org/userfiles/file/33291659525.pdf
- http://tuzvedo.hu/elemek/file/54238413311.pdf
- https://paperland.bg/uploads/file/9360376453.pdf
- https://akarchlight.com/wp-content/plugins/super-forms/uploads/php/files/c0337b1e704e571108f35b05d5b9a9bd/58558507302.pdf
- http://automsystem.com/UploadFile/file/20210515184216392.pdf
- https://spherule.org/wp-content/plugins/super-forms/uploads/php/files/90d7ec35b5b559f151950838e424c442/96646827564.pdf
- https://nhaban24h.com.vn/wp-content/plugins/super-forms/uploads/php/files/6a1kdc1olgg2rqd92lj0egjmc9/remubumupasolozotek.pdf
- https://aneri12.eu/res/file/zolotawozozi.pdf
- http://lateonsettay-sachs.org/userfiles/file/fesigoramezavefipixipis.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8d592a215f---pezipunabero.pdf
- http://cosonhuath.com/hinhanh_fckeditor/file/36654722225.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=dishonored+first+safe+code
- 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_off0000f7c8.bin0a5819f322ce5ee4c23b4d3a7c01417c167c11fdf1b6c8fddda848ad6b63b14b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7C8 | 17164 bytes |
font_01_sfnt_off000124c2.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x124C2 | 16792 bytes |
font_02_sfnt_off00013cd9.binfa19df199f6b653e9361f86eba1d81839fa1c10c0892f98f455455a4eed96c05 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13CD9 | 10528 bytes |
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