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. The PDF contains numerous links pointing to various domains, many of which appear to be compromised WordPress sites or disposable hosting, suggesting a link farm for SEO manipulation or to distribute further payloads. No scripts were extracted, but the presence of multiple external URIs and the 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic strongly suggest a phishing or malicious redirection attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9932
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://maszyny.pl/userfiles/file/45205015108.pdf
- http://airconbank.com/upload/fckeditor/file/vemuziligorogezagewimexol.pdf
- https://bestofbucerias.com/upload/file/matedesafupatipekaso.pdf
- http://alphasigmaoverseas.com/userfiles/file/57192209450.pdf
- http://www.rlktechniek.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160823dc742fae---48431476985.pdf
- https://independentmusicleague.com/wp-content/plugins/super-forms/uploads/php/files/86f6b13bec6da1ea701f50f4d621b281/3495418709.pdf
- http://phatnang.com/media/ftp/file/54690975495.pdf
- http://a-swiss.com/upload/userfiles/file/zolodijimijuzatezuj.pdf
- http://vmkmsz.hu/userfiles/file/44015075904.pdf
- http://viethanit.vn/hinhanh/file/xegobosoxusewoporupikixov.pdf
- http://lamachine.nl/userfiles/file/8710463834.pdf
- http://renovator.cz/files/file/lejidejagi.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607db30ad8e8e---24443133118.pdf
- http://www.oschouston.com/osc/wp-content/plugins/formcraft/file-upload/server/content/files/160c8b2de80166---gofitalisewajid.pdf
- https://prana.video/wp-content/plugins/super-forms/uploads/php/files/89el6iah3hdf7el6hh8aq8sab7/23143852567.pdf
- http://dochoiotovn.com/uploads/userfiles/file/tipiveremimorowomez.pdf
- https://www.diktu.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e755925f5c---jizazatenojutoxuvewewe.pdf
- http://asianmosaicnyc.com/userfiles/file/vasonurusojezujedoz.pdf
- https://globalclassic.org/wp-content/plugins/super-forms/uploads/php/files/r676a9g3vkf60r2skv7gljtfd0/2055159539.pdf
- https://allcreaturesinc.com/files/files/26996561026.pdf
- http://rusiuojigalvoji.lt/wp-content/plugins/formcraft/file-upload/server/content/files/160aee4463ef82---70657868471.pdf
- http://adanateknikservis.web.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1607c5bf23236c---desagerovov.pdf
- https://bestrecycledautoparts.net/images_i/file/gitisigidinipin.pdf
- https://beaumont-residence.com/wp-content/plugins/super-forms/uploads/php/files/7gku7c0vhbcah570i2degr7n6a/42796956980.pdf
- https://dispomydeal.com/wp-content/plugins/super-forms/uploads/php/files/1072a402c343ff0e4f2ecf6c59138fad/judenaxoxoxerekuzegudutik.pdf
- https://eatorhours.org/e-bussiness/fckimages/file/67759371890.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=how+to+use+conair+garment+steamer
- 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_off0000fd62.bin18bf3d0defc73ab3abc43a9c60daf5d76aba216732b33509d8dc5c8b50c78a22 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD62 | 16928 bytes |
font_01_sfnt_off00012997.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12997 | 16792 bytes |
font_02_sfnt_off000141ae.bin95ce9e7cd1d5a22f2f2f5a83ac25a5c2795af107c9aad0a3ae993694a3a64d85 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x141AE | 10704 bytes |
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