MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs pointing to compromised websites, suggesting a phishing or malware distribution scheme. The PDF structure and embedded links are consistent with a link farm used to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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 https://wastran.ru/uplcv?utm_term=ubuntu+remove+android+sdk PDF link annotation
- https://formapolis.it/wp-content/plugins/super-forms/uploads/php/files/b18389c5bc52cb7bd2988d1a0b32d30b/tisalekododexotakadafurib.pdfIn PDF document text
- http://goteneplast.se/files/images/file/wasujejurofezugutefaka.pdfIn PDF document text
- https://roshnaai.com/ckfinder/userfiles/files/luwev.pdfIn PDF document text
- https://simorgh.it/uploads/file/mumovizadabejun.pdfIn PDF document text
- http://autofox.lt/ckfinder/userfiles/files/91908789498.pdfIn PDF document text
- https://zlataraburmevuckovic.com/files/bidabozibasamuzofagelo.pdfIn PDF document text
- http://www.saaegfpolis.org.br/ckfinder/userfiles/files/51062861877.pdfIn PDF document text
- https://www.elementstraining.co.uk/wp-content/plugins/super-forms/uploads/php/files/30bra2ktdt0oltsqndq1eh0gs1/70493390598.pdfIn PDF document text
- http://headrepublic.pl/images/files/nisuvuxufoxutira.pdfIn PDF document text
- https://insights3.com/wp-content/plugins/super-forms/uploads/php/files/7a8fa44bfea46a0ecb2128d7ba005baf/83913408182.pdfIn PDF document text
- http://al-bandak.com/userfiles/file/58120005510.pdfIn PDF document text
- https://stpeterscbs.ca/ckfinder/userfiles/files/70743067602.pdfIn PDF document text
- http://pphu-joanna.pl/fckpliki/file/fajupixubupobutusa.pdfIn PDF document text
- http://kjphotocon.org/data/userfiles/files/gexiritozafoxetoludixipon.pdfIn PDF document text
- http://abwingscolley.com/uploads/files/35057859173.pdfIn PDF document text
- http://nhasachthunam.com/upload/files/novikodu.pdfIn PDF document text
- http://jingkangchem.com/upload/files/24777456021.pdfIn PDF document text
- https://il-gusto.com/images/file/wenitu.pdfIn PDF document text
- http://jnnycc.org/userfiles/file/piloj.pdfIn PDF document text
- https://delphin-restaurant.com/ckfinder/upload/files/8636253986.pdfIn PDF document text
- http://maszyny.pl/userfiles/file/wewuvomorixuzoduziko.pdfIn PDF document text
- http://bxbrdh.marketsearching.com/upload/files/zujaxabi.pdfIn PDF document text
- http://robalton.es/Albums/images/file///zemodo.pdfIn PDF document text
- http://www.jindatunnel.com/up_files/file/48008546576.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b117.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB117 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c92e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC92E | 10768 bytes |
SHA-256: 860542ee26ba2cad3ede6c9f917f0bcd60bde1f0d1d739494b9d78e854bae1b1 |
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font_02_sfnt_off0000e1fa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1FA | 16084 bytes |
SHA-256: c33606e80a75e968ac8b94aedabea5ac69ad774fc50335f26860330bf4382fd6 |
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