MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links, many pointing to compromised WordPress sites, which likely serve as a link farm to distribute further malicious content. The file's structure and URL patterns suggest it is designed to lure users into clicking through to malicious destinations.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://pablohernandes.com/wp-content/plugins/super-forms/uploads/php/files/91ff2a0ce7cfdef398cfa8b1f8994278/77572165201.pdf
- http://mya1fc.com/files/ckuploads/files/65971096876.pdf
- http://slowjamsundays.com/wp-content/plugins/formcraft/file-upload/server/content/files/160824853ed25e---11737491064.pdf
- http://architettorobertafasola.eu/userfiles/files/88273259231.pdf
- https://thehamptonsbloomington.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d6791b33584---pawutona.pdf
- http://dianacb.cz/userfiles/file/86235937672.pdf
- https://globalclassic.org/wp-content/plugins/super-forms/uploads/php/files/e44pit91tc7v9a6gbhoiu7ol1d/xafurabuko.pdf
- https://husvagnsexpo.se/wp-content/plugins/formcraft/file-upload/server/content/files/160858c64aedd4---54638771816.pdf
- http://www.radiopopiatej.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ae28372aae---63778095648.pdf
- https://investainternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/160901f0624de4---vunil.pdf
- http://ekhoron21.mn/uploads/files/popakonewaxogezolu.pdf
- http://www.dj-csnl.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607d942b409ef---gutajapatudofomobune.pdf
- http://xn--80aab8aioy.xn--p1ai/userfiles/file/23578134920.pdf
- https://bandotrading.com/uploads/file/25308918180.pdf
- http://anhuicrew.com/upload_fck/file/2021-6-29/20210629201857781264.pdf
- https://alsterparkett.de/wp-content/plugins/super-forms/uploads/php/files/2d6mbg5o3jhvo4of4iu8pvim9c/95413012336.pdf
- https://tfnd.org/wp-content/plugins/super-forms/uploads/php/files/1a5935dfc98cbf22c9218cd2f28aa2aa/funaf.pdf
- https://slide-bearing.com/d/files/xatukerixivukudopefa.pdf
- http://hnc2.com/userfiles/file/90558628128.pdf
- http://www.bridalchapel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d6f9bac15b---furuboxigobulax.pdf
- https://maloneslandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c6ac90fb84---32310702322.pdf
- https://fotojursa.cz/userfiles/file/50792714285.pdf
- http://www.shipsupply.co.mz/wp-content/plugins/formcraft/file-upload/server/content/files/1606f17883ace0---minovojidotof.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=world+english+intro+student+book+second+edition+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_off0000bece.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBECE | 16792 bytes |
font_01_sfnt_off0000d6e0.bin684d1f34da3668f622efdfe43a8750db80cc6651d666ba6e5c86aec80cfd61ed |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6E0 | 18484 bytes |
font_02_sfnt_off0001044b.bin92f95e8b500431729f3abb4e351fd79cb8e73c0a3baba5c54d0be0ecda9948a7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1044B | 11064 bytes |
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