MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning model indicated a high probability of maliciousness. The document contains numerous links to external websites, many of which are hosted on compromised CMS platforms or disposable hosting, suggesting a link farm designed to redirect users to malicious content. While no scripts were explicitly extracted, the presence of PDF_URI and PDF_SEO_DISPOSABLE_LINK_FARM heuristics indicates the document's primary function is to facilitate access to these suspicious URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9957
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://festivaldeliteraturadepereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab5b4779ea3---mabutelomukidilaleletolor.pdf
- http://afgventuregroup.com/cfiles/file/12208714556.pdf
- https://rclurie.com/wp-content/plugins/super-forms/uploads/php/files/ebe4179d3ef5984dd4ab16358c76bed9/ririgedidakuvugokolifuko.pdf
- https://digireg.it/upload/55310334038.pdf
- https://socialacademy.gr/wp-content/plugins/super-forms/uploads/php/files/39bfcff8376b02cc0fa96aa192f59cf6/zetonovuxipuxas.pdf
- http://auburn-companies.com/userfiles/files/nomumodazawox.pdf
- https://husvagnsexpo.se/wp-content/plugins/formcraft/file-upload/server/content/files/160a18d06c944d---54239652444.pdf
- https://farstaslottsvik.nu/anvandarbilder/153/files/36357272118.pdf
- http://www.phonefixcomo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609463ddaa42a---gatirerobalubewadejaxi.pdf
- https://avela.md/userfiles/file/46543704160.pdf
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/2267eeb9c32dc4d22084443e3d647c90/8362937131.pdf
- http://fitnessklub-impuls.pl/uploads/assets/file/4423701095.pdf
- http://es-umzuege-transporte.de/wp-content/plugins/super-forms/uploads/php/files/82c341ea57778a198a36d38e9cb37422/48039687006.pdf
- https://www.sblending.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608f0a4f36f6b---65461362362.pdf
- http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/160771819c6c5c---josexanovotelepov.pdf
- http://vanillasky-ch.com/images/files/60465478199.pdf
- https://atlastoursntravels.com/userfiles/file/78090237363.pdf
- https://mkting.com.co/wp-content/plugins/super-forms/uploads/php/files/fba0842a6ad38889a8df494cc11f75a5/begizevinegamugox.pdf
- https://transilvaniafishing.ro/app/webroot/files/userfiles/files/jagoxo.pdf
- https://chefinhogourmet.com/wp-content/plugins/super-forms/uploads/php/files/a9475ecb312d956e1069280962672549/82482603037.pdf
- http://acetuitioncentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160d2b04a71ead---35021333401.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=phoneme+dictionary+online
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ca8d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA8D | 16792 bytes |
font_01_sfnt_off0000e29e.bin66b7945b99a9c78025a9a0ace4161995b24b08b80ea391fd428eddc3553bac27 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE29E | 16544 bytes |
font_02_sfnt_off0000f95d.bin22e5b9620de99ade2b9b1a045cb9a1f78ac80fd8111477d6c2b623dd55a15c53 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF95D | 17520 bytes |
font_03_sfnt_off0001270c.bin81f83d2aa8e166dc21c8d869994cbcd6d0a152f2a340b6136cc2866bee8fed89 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1270C | 10584 bytes |
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