MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample was detected by ClamAV as Pdf.Phishing.Trojan and flagged by an ML classifier, indicating malicious intent. Heuristics reveal it functions as a link farm, directing users to multiple domains, some hosted on compromised CMS uploads. The PDF document body is unreadable, but the presence of numerous external links suggests a phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://seigyobannkaigaikikaku.com/ckfinder/userfiles/files/5915888701.pdf
- https://stonebuild.bg/f/uploads/files/tidufij.pdf
- https://tiemhoahaibara.com/data/dulieu/files/luvusuvekafugesikevo.pdf
- https://torbay.ru/images/uploads/file/76160224236.pdf
- https://esteticarcare.com/wp-content/plugins/super-forms/uploads/php/files/80c87d91670a129a0339656cde0cf0d2/10421330213.pdf
- https://artsketch.ru/wp-content/plugins/super-forms/uploads/php/files/4191a7bea490fd90197398a0db8fc234/putomikifaxonuxo.pdf
- http://apartament-krokus.pl/userfiles/file/jorurab.pdf
- https://serwisnawigacji.pl/userfiles/file/tanusugejuzumoti.pdf
- http://vizit-k.net/uploads/editor/files/464910845.pdf
- http://pinturasoltra.com/images/slider/files/21412991879.pdf
- http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079a6b9635d0---28007663901.pdf
- http://inlikeflintlogistics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bc739b6a4b---63274347158.pdf
- http://studiotecnicolamanna.com/userfiles/files/63633270245.pdf
- https://myhoorayhealth.com/wp-content/plugins/super-forms/uploads/php/files/198opi3b38agpi4emdcptd9fg6/82896204471.pdf
- https://rffsev.ru/wp-content/plugins/super-forms/uploads/php/files/4a604acc971a9ec3a256ce442700ac79/2771278455.pdf
- http://freemansphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b6577b90cac---suzinirazejut.pdf
- https://chicagoportablexray.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f7273bccf19---sijajan.pdf
- https://aarhuskortet.dk/images/file/72601633080.pdf
- https://cmflower-kkc.com/ckfinder/userfiles/files/webedadoposajokezidum.pdf
- http://derma-dts.de/files/file/65199570393.pdf
- https://thesaddlebank.com/wp-content/plugins/super-forms/uploads/php/files/5a0n8vqr8elckrovop0fs7h8tg/faparezefulureriwawo.pdf
- https://webtraffic.ch/wp-content/plugins/super-forms/uploads/php/files/20r3qpkg99quapeg2v0m6a1o47/lugixesujojovasir.pdf
- http://www.deopendeur.org/imgUser/file/64769681174.pdf
- http://traditionsradio.com/wp-content/plugins/super-forms/uploads/php/files/7bgrhn1pahq9pd6okf15asu2u1/32517981070.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=soundwire+server+para+android
- 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_off0000bc45.binb4b75be0327acfb579415cdd564ffd4db5773daf8e57d74d7d21f1e156620f8b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBC45 | 10568 bytes |
font_01_sfnt_off0000d484.bindab9634ed0a20370464aa0f294da158d1f96a557281ee29d8873cfec8dc0163e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD484 | 16836 bytes |
font_02_sfnt_off0000fe2f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE2F | 16792 bytes |
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