MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm designed to trick users into downloading further malicious content, as indicated by multiple heuristics and the ClamAV detection. The presence of external URIs and a link farm on disposable hosting suggests a phishing or malware distribution attempt. No scripts were extracted, but the overall structure and heuristic firings point to a malicious document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9963
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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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://silverspringabw.com/uploads/files/67320298518.pdf In PDF document text
- http://graciaindoutama.com/kingkong/userfiles/files/wuzesuvesogokisumusul.pdfIn PDF document text
- http://sangjeom.com/userfiles/file///tivetiripesuvorodorabawe.pdfIn PDF document text
- https://cheesykeju.com/contents/files/78284732680.pdfIn PDF document text
- http://rayanchem.com/d/files/39626819614.pdfIn PDF document text
- http://www.bash.cl/media/file/vukipanupase.pdfIn PDF document text
- http://tuzy.pl/Upload/file/41937978712.pdfIn PDF document text
- http://longarmquiltacademy.com/fckeditor/userfiles/file/wedufanaravikakam.pdfIn PDF document text
- http://huefpdf.org/upload/file/nogupefovenarorosabeta.pdfIn PDF document text
- http://medob.org/SITE/files/editor/file/8909154806.pdfIn PDF document text
- https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/itq97e3k3uivqiie7do93lmorc/bonasigixuvetejija.pdfIn PDF document text
- http://totaleclipsenv.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613be6111e254---46225951930.pdfIn PDF document text
- http://tobn56.com/UpFiles/file/dogel.pdfIn PDF document text
- http://frigotechreina.com/userfiles/files/dovolixifavegekipenom.pdfIn PDF document text
- http://bike-aholic.com/UserFiles/file/2970323015.pdfIn PDF document text
- https://crownprolaw.com/userfiles/Proj_Name/files/vujedizaxikelatew.pdfIn PDF document text
- http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141207fa513b---gemise.pdfIn PDF document text
- https://radekslodkiewicz.pl/files/file/vukatuxavajogizu.pdfIn PDF document text
- https://valenciamaids.com/userfiles/files/39263958129.pdfIn PDF document text
- https://uat-tunisia.com/userfiles/file/31753236689.pdfIn PDF document text
- http://locthanhroyal.com/upload/files/sibaletukusefuxaterires.pdfIn PDF document text
- http://wjvanderheidedienstverlening.nl/uploads/file/nobabugubebomi.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=apk+mod+gacha+lifePDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c553.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC553 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000dd65.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD65 | 17048 bytes |
SHA-256: 5055d3b6f9a97b2a2c1c70a71500a672e9f237226ee1b264628d05abc32fe148 |
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font_02_sfnt_off000109b6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109B6 | 10672 bytes |
SHA-256: 6eea754a4da936682bcb79425483cfa33ee216a39fab6b510208f1c9e490de30 |
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