MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. Numerous embedded URLs point to compromised websites or disposable domains, indicating a likely phishing or spam campaign. The presence of external URI links and a link farm heuristic further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9905
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 https://chcial.ru/uplcv?utm_term=loki+agent+of+asgard+vol+1+pdf PDF link annotation
- https://designmaster.in/scgtest/eec-new/codelibrary/ckeditor/ckfinder/userfiles/files/panapa.pdfIn PDF document text
- http://www.jindatunnel.com/up_files/file/76741932861.pdfIn PDF document text
- https://genia-groupe.fr/images/files/luris.pdfIn PDF document text
- http://fcv-bo.org/data/fcv-bo/userfiles/file/zuzemomajebasuwosevot.pdfIn PDF document text
- https://takiminsahada.com/wp-content/plugins/super-forms/uploads/php/files/119kpos7afmh6sfheq2fcr77l1/tofosotawo.pdfIn PDF document text
- https://gpuhub.net/wp-content/plugins/super-forms/uploads/php/files/e097gsgad12m17t01ehc8jqgdl/wepisagaxevodena.pdfIn PDF document text
- http://rivebistro.net/ckfinder/userfiles/files/vununevesejijubuwof.pdfIn PDF document text
- http://debsecond.net/UserFiles/File/31043929994.pdfIn PDF document text
- http://dastone.ru/userfiles/file/gizimuwujedeliguxuwog.pdfIn PDF document text
- https://stayinbranson.com/ckfinder/triplebuserfiles/file/68123556830.pdfIn PDF document text
- http://friluftsgruppen.se/wp-content/plugins/formcraft/file-upload/server/content/files/1607cf103e445f---muboxumup.pdfIn PDF document text
- http://www.holderit.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c0b60a91bc6---lebusevamebumogekuvovik.pdfIn PDF document text
- http://thehonourride.ca/clients/c/c2/c2a221447f3e921143a55eca482c8289/File/gabumovofomatafu.pdfIn PDF document text
- http://huron81reunion.com/clients/f/fe/feec28e48c841af8be4ad6373737a022/File/90187844431.pdfIn PDF document text
- http://turinhotelcompany.com/userfiles/files/4400932020.pdfIn PDF document text
- https://terlickodds.cz/www/www/fckphotos/file/kewotefawejegirelepare.pdfIn PDF document text
- http://www.retorika-zidar.si/ckfinder/ckeditor_uploaded_files/files/38683053598.pdfIn PDF document text
- http://schouteninterieurwerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609448ddbab37---39561013367.pdfIn PDF document text
- https://tselectromechanical.com/uploads/CKfiles/files/50265813207.pdfIn PDF document text
- http://maybomnuocdanang.com/uploads/image/files/zesanopiguwelepojegud.pdfIn PDF document text
- http://heibldr.hu/FCKfeltoltott/file/jaxagixo.pdfIn PDF document text
- http://www.chinahkcarplate.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ecb8680162---48678479967.pdfIn PDF document text
- http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/d9cc6e39c0171c51faddc845815a85b5/75091836427.pdfIn PDF document text
- http://ivepe-elearning.gr/assets/UserFiles/mainHome/file/nawuzixevo.pdfIn PDF document text
- http://scales-center.com/shop/fck_file/file/sadogerijozale.pdfIn PDF document text
- http://www.integra-cr.cz/administrace/ckfinder/userfiles/files/zileponuvawufekofob.pdfIn PDF document text
- http://vdgairconditioning.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160ee3e02973cd---65959010005.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_off0000e015.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE015 | 21072 bytes |
SHA-256: 85bb173ef2b8c0a8e2079c2098a6c9e2dd3580521b7cef7352d9436cbb967df3 |
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font_01_sfnt_off000116b5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x116B5 | 10840 bytes |
SHA-256: 4e8767d9cb3b4a10a74a096c4db9dcab575e0dfafeffdd0fb8325b6332b25648 |
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font_02_sfnt_off00012fbd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12FBD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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