MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. Several heuristics indicate the PDF functions as a link farm, pointing to multiple domains, including one using a raw IP address, which are commonly used for phishing or distributing further malware. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
Heuristics 7
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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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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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://kapelski.pl/userfiles/file/6981309866.pdf
- https://harpethvalleyhealth.com/wp-content/plugins/super-forms/uploads/php/files/f9939df4592282beaddbaf11b14765d8/2028284269.pdf
- https://cjsc.se/ckfinder/userfiles/files/45276603455.pdf
- http://bundoreh.com/fckeditor/files/file/gigenoxobivogamatajal.pdf
- https://study-abroad-travel.com/ckfinder/userfiles/file/8944299281.pdf
- http://www.bufolari.com/public/immagini/file/roxevokerodib.pdf
- http://slowjamsundays.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e1ecb6b041---satevej.pdf
- http://alternativefitness.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160c246e1dc2e2---demomuz.pdf
- http://thehonourride.ca/clients/c/c2/c2a221447f3e921143a55eca482c8289/File/61433179326.pdf
- https://www.hit-education.com/wp-content/plugins/super-forms/uploads/php/files/tlae37v9hjo96ajd4cujp3ghe2/wativ.pdf
- http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/36qpcvletig76ejhont2ljva44/39562789306.pdf
- http://parkwestresidences.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a98361e7038---45832431819.pdf
- https://echipamente-scule.ro/userfiles/file/91194215006.pdf
- http://steclotildehorton.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a13e194997f---70736711962.pdf
- https://bursac.net/userfiles/file/18993816899.pdf
- http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/aad59e6ec09a59044f340a01749308f1/datar.pdf
- http://penoplex24.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607afab4acc03---jiwojajisipavivodiraruzuf.pdf
- http://www.klpreschool.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c95d504b18---fepowalob.pdf
- http://79.170.40.182/boothtastic.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d1febb5e8a---zikizugaxedexowowiv.pdf
- http://raffaelecavazzoni.com/userfiles/files/42446430233.pdf
- http://in-dapt.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f1d5b5409f---78857961882.pdf
- https://too.kg/wp-content/plugins/super-forms/uploads/php/files/cb64a43d13fc58fa2c74e6bee9dad1e9/kivozelimokubes.pdf
- https://www.aserspa.net/wp-content/plugins/super-forms/uploads/php/files/979mmsjpkm2m92dg04ui95igmp/27193668416.pdf
- https://www.hotel-palladium.gr/wp-content/plugins/super-forms/uploads/php/files/167p989j0haih140m3blloo7ge/30703097731.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=watch+after+free+online+no+registration
- 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_off0000d195.bincbe4deace628aec7ad1cfd05c4b2a5fd4256af150d5a151f6ec87c86d8622dbe |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD195 | 10608 bytes |
font_01_sfnt_off0000e9cd.bin7f2a61e1b5e7a1acdb2d759219233bda006568b0df6a06cc03adaf822d19360d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9CD | 17412 bytes |
font_02_sfnt_off00011717.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11717 | 16792 bytes |
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