MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links to compromised WordPress sites and other domains, suggesting a phishing or redirection scheme. The presence of external URIs and link farms points to an attempt to lure users to malicious content or further stages of an attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://drafthe.ru/uplcv?utm_term=how+to+make+multiple+pictures+into+pdf
- https://ontime-taxi.kg/wp-content/plugins/super-forms/uploads/php/files/7af4a360838a9fb783bf4c78a489dc45/lidanototokonob.pdf
- http://edwardfmcgintypa.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/78853713166.pdf
- https://polskieplytki.com/wp-content/plugins/super-forms/uploads/php/files/ee13102d6d191cc7c5b5332ced7dd5f6/71938633627.pdf
- https://www.pietri-automobiles.com/wp-content/plugins/super-forms/uploads/php/files/s1j86rhgn55go15ilpbd7egap5/gipajaxew.pdf
- https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160767af758683---walewosebaxaba.pdf
- https://hocngoaingu123.com/upload/files/mezosuwoxilitifekoziju.pdf
- https://ilcaminodaugo.it/file/8576151688.pdf
- https://www.straightmyteeth.com/wp-content/plugins/super-forms/uploads/php/files/a3a63af88794e1612956a56d63bd4b9d/pebemofedozefafevubefuwad.pdf
- https://specialbrands.gr/wp-content/plugins/super-forms/uploads/php/files/a9e97faf98490986b01385ea2187675d/10762967369.pdf
- http://acudrved.com/ckfinder/userfiles/files/2739616630.pdf
- http://reicar.dk/userfiles/file/22579238695.pdf
- https://mrmusicfoundation.org/wp-content/plugins/super-forms/uploads/php/files/2p03g02olf8cj2j17lljt74lsf/sogopejekuzumitoxiw.pdf
- https://cottonweb.net/userfiles/file/xezal.pdf
- https://rmissio.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1607b3b2465713---nawisoluk.pdf
- http://bagpack.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/1609f2700638d8---57972352204.pdf
- https://www.conkite.com/wp-content/plugins/super-forms/uploads/php/files/1d190b99db3ca4d26220178abec407db/mufugenilakazawufefuj.pdf
- https://www.cfo-search.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1451d57b8a---monedixotinufavaxajagawu.pdf
- http://almar-bus.pl/userfiles/file/87481659976.pdf
- https://diedacorporation.net/freesiafiles/file/31258692815.pdf
- http://tajesink.com/Uploadfiles/files/35831288386.pdf
- https://big-cash.de/wp-content/plugins/super-forms/uploads/php/files/17aie632hcuikg1ff0p8dcapti/80215820448.pdf
- https://belgradenightlife.info/wp-content/plugins/super-forms/uploads/php/files/leldbrg9bk8anddhdkou3pq7ps/nadagetedulejokamilukove.pdf
- https://aquaticlandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/160760d1c81f47---63177123170.pdf
- http://extreamtuning.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160bf629388afa---24203714952.pdf
- 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_off0000d44b.binc521768aeb8e0787c9511126dd09a4c311f942f4b4ab7c4d6636f565dc84eb88 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD44B | 18236 bytes |
font_01_sfnt_off00010289.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10289 | 16792 bytes |
font_02_sfnt_off00011aa0.bin3ed051bd6f39cfc17d19f2b0e7235861d1428736bf11408676fa32439f83f914 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11AA0 | 11052 bytes |
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