MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, with numerous URLs pointing to potentially compromised websites or disposable hosting, suggesting a phishing or malware distribution scheme. No scripts were extracted, but the PDF structure itself is designed to lure users to external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://tz5168.com/uploadfile/image/2021/05/20/file/20210520_202231_117.pdf
- http://boulderdivorcelaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d4ef44824fe---lodoxakavepov.pdf
- http://kleinschaden.expert/userfiles/file/98759647438.pdf
- http://ats-dz.com/userfiles/file/13716529595.pdf
- http://teleinwestor.com/userfiles/file/41257661418.pdf
- https://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/94092a951d3aecd401eb91cd51faff80/19221606443.pdf
- http://www.nisbd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c1b4b7ec9c4---lozuxojatil.pdf
- https://puertoestereo.com/wp-content/plugins/super-forms/uploads/php/files/ljvcqfntpi43970l6e3acaomrl/xenirasogewavawi.pdf
- https://imapcb.org/wp-content/plugins/super-forms/uploads/php/files/bscdr5fi3em578sbeja39aor21/22494081618.pdf
- http://cezanart.com/userfiles/file/gexokokanoxelakoxe.pdf
- http://localhomesales.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609ecb0e1cca7---dejatonofomisajasedujivuv.pdf
- http://khautrangkhangviet.com/upload/img/files/borupimav.pdf
- http://alburigiott.it/userfiles/files/kebofumibim.pdf
- http://studiogaleazzo.eu/userfiles/files/lupefarov.pdf
- http://donahoelawfirm.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/65432433713.pdf
- https://glosunspa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b88f35ea30---13486972525.pdf
- http://altaprecision.com/userfiles/file/2727816232.pdf
- https://youstore21.com/wp-content/plugins/super-forms/uploads/php/files/b3d98526d7d7548a8adc8df4a4b3d642/80909197102.pdf
- https://frontiersneurophotonics.org/wp-content/plugins/formcraft/file-upload/server/content/files/1/160a7e0ee7e805---xibarojafekimofamelu.pdf
- https://www.sidertest.it/wp-content/plugins/formcraft/file-upload/server/content/files/160757b6b3f1ce---38883725175.pdf
- http://naasschoolofmotoring.ie/fckeditor/userfiles/file/74687378180.pdf
- http://alessandrobelleseveterinario.eu/userfiles/files/70504750978.pdf
- https://almoheetmanpower.com/public_html/userfiles/file/72707293414.pdf
- http://argyler.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607593af09949---93443846372.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=the+late+philip+j+fry+full+episode
- 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_off0000ef33.bince40071075bf67a72b833f96d973d8c75a384d54fa58cbfcd09104ba41d65f87 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF33 | 10800 bytes |
font_01_sfnt_off00010829.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10829 | 16792 bytes |
font_02_sfnt_off0001203b.bin9fd158ddd502628cdd9c62aaa750985e5b1d6f2b9e2a550f1219fa08f92a0ac5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1203B | 24192 bytes |
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