MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm with numerous URLs pointing to potentially compromised WordPress sites and disposable hosting, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. Although no scripts were extracted, the structure and embedded URLs are indicative of a malicious document designed to lure users to external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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://www.heksan.com.pl/file/zerono.pdf
- http://csc0851.com/userfiles/file/20210703023801_f4o9mu.pdf
- http://brette-animation.com/userfiles/file/bexodegada.pdf
- http://lookupagency.es/wp-content/plugins/formcraft/file-upload/server/content/files/1609aef3d58b74---5648439977.pdf
- https://www.numberoneporthill.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b7e2c0dd7da---91609225050.pdf
- https://earthideasawnings.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094aa782830b---gixilexexife.pdf
- https://dmitrovka-zn.ru/admin/ckfinder/userfiles/files/lulazu.pdf
- https://sdyh.gr/wp-content/plugins/super-forms/uploads/php/files/rs3do4dbvtlhl7aqfvom9rfge7/tegufedigitom.pdf
- http://trustarshida.co/cache/fck_files/file/xegos.pdf
- http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a1f2ab9cfb---jevitidaxepijokoju.pdf
- http://www.sparkprototypes.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099d80cae701---futirudogudojin.pdf
- https://yuktiedu.com/wp-content/plugins/super-forms/uploads/php/files/24004a590156a8053a296564da625f97/61444662562.pdf
- https://sunarchegypt.com/userfiles/file/sixitasemalafudidupagos.pdf
- https://marosme.ro/hirek/file/fuwopowibotel.pdf
- https://uudanbury.life/files/file/84763151112.pdf
- http://ahcxdq.com/uploads/file/031804385222.pdf
- http://fredericjean.net/oplusco/file/46343565088.pdf
- http://geostudio.eu/userfiles/files/74030219653.pdf
- http://ranchobg.com/img/file/80299442127.pdf
- http://alpha-th.com/userfiles/file/45242946519.pdf
- http://in-dapt.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a554b87fea8---wewaw.pdf
- https://kingcarmotorista.net/uploads/files/tupifegojevafo.pdf
- https://www.accidentinjurylascruces.com/wp-content/plugins/super-forms/uploads/php/files/4jku912q6beg8m49j0b5v45am0/fuluvaloke.pdf
- http://funperm.ru/content/file/2126908080.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=free+fire+hack+mod+apk%2Bobb+download
- 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_off0000ee18.binc14037c1cfe6249ce20f236f09a084eb8767cb8656948d013be3699da00597fc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE18 | 17424 bytes |
font_01_sfnt_off00011bb2.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BB2 | 16792 bytes |
font_02_sfnt_off000133c9.binf23474d54958ef24e32e6af71dfed65ce894e7b33e480cdd803f3976f8b60384 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x133C9 | 10912 bytes |
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