MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to external websites, many of which are hosted on compromised CMS platforms or disposable domains, indicating a link farm designed to obscure the ultimate destination. ClamAV detected this file as 'Pdf.Phishing.Trojan', and the ML classifier also flagged it as malicious. The presence of multiple PDF_RANDOM_URL_LINK and PDF_SEO_DISPOSABLE_LINK_FARM heuristics strongly suggests a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 7
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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 to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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://files.ibiza-ferien.de/file/18322689382.pdf
- https://graffitipaintstudio.com/wp-content/plugins/super-forms/uploads/php/files/26059b1689f2942fdb6c3b4558170786/narotelopumitikiminanebej.pdf
- https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c9590497de3---dixemematejabiz.pdf
- https://matskaren.se/anvandarbilder/203/files/vazemivoda.pdf
- https://yziact.fr/wp-content/plugins/super-forms/uploads/php/files/pa9vdg2a0ukiqooo95fv35emhc/45271027504.pdf
- https://mbbs.hr/files/nagakutedupu.pdf
- http://musiclivemarsala.com/userfiles/files/rikivuzigip.pdf
- http://webursitet.org/Files/file/nibexemitorebuxoku.pdf
- http://otoozevran.com/resimler/files/nibonewomoturigeleloxu.pdf
- https://hondamienbac.vn/userfiles/file/88070989742.pdf
- https://dmddsgn.com/wp-content/plugins/super-forms/uploads/php/files/984c04aef75dcb4f6261ae2d70b44946/7486772630.pdf
- https://www.cpro.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1607b3acddeca3---58622905972.pdf
- https://finances-canada.com/wp-content/plugins/super-forms/uploads/php/files/21c07cc589d7792913d1f76a2821afb8/98484743548.pdf
- http://hydrogears.com/survey/userfiles/files/wolavirasiduvirip.pdf
- https://emergent-partners.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fe19c32907---39524531275.pdf
- https://zapret-rf.org/web/img/podborky/files/21194003609.pdf
- http://josepholszowka.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/nibip.pdf
- http://artistalexanderkanevskyroyalshakespeareglobetheatrelondon.com/clientMedia/file/pesalixirobomid.pdf
- https://www.adelaarenergy.com/wp-content/plugins/super-forms/uploads/php/files/56vh9qjafb00nl57m8bg8va9hm/xobifarivalulirelu.pdf
- http://senseoftourism.dk/userfiles/file/bekejusizitobezumubuxi.pdf
- http://holidayinntorino.com/userfiles/files/goronag.pdf
- http://mid-europe-ex.com/images/blog//file/49688610398.pdf
- http://www.saraviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d3ef9f5dec8---fatujirelakut.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=can+you+refreeze+blueberries
- 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_off0000e8af.bin2259a7632986da4ad72f42937493ce05f2ebe88c9a3591b3d0ac6f186690b417 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8AF | 17112 bytes |
font_01_sfnt_off00011517.binc11678312076a7051d96d5af3bfb454f814d1d414496ee485961d2c8198da35f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11517 | 10556 bytes |
font_02_sfnt_off00012d5e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D5E | 16792 bytes |
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