MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm pointing to multiple websites, some of which appear to be compromised. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' indicates the document likely instructs the user to open a password-protected archive, a common tactic to bypass gateway scanning. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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://wittlich-luexem.de/userfiles/file/tejegopove.pdf
- https://wietsevoermans.nl/ckfinder/userfiles/files/wujuvokurofosaxuluri.pdf
- https://ville-rouillac.fr/docs/file/23109710096.pdf
- http://ednak.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9ab5e28d84---31766747161.pdf
- https://asaptransfers.co.uk/wp-content/plugins/super-forms/uploads/php/files/92uiq3donipj7spg0fbb53sed7/kadeboluzexeliluk.pdf
- https://www.spoton.pet/wp-content/plugins/super-forms/uploads/php/files/lpmnmpqhsmoa5t0eeen7a4s6ba/28229690702.pdf
- http://jagatjyotischool.org/jagatjyotischool/userfiles/file/wofurijosilogubeja.pdf
- https://tsafar.ir/basefile/tsafarir/files/94036741447.pdf
- https://cualuoihoanmy.com/uploads/userfiles/file/bidojebobukodur.pdf
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160df955b39740---6960074550.pdf
- http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160da162b3c5d8---92183244393.pdf
- http://www.liveartsaskatchewan.com/wp-content/plugins/formcraft/file-upload/server/content/files/160da4cd60128e---sisunumumori.pdf
- https://migger.dk/userimages/file/samekeferedupobajipizow.pdf
- http://brlairport.com/images/file/18457045471.pdf
- https://maydangson.com/vietkiendo/upload/file/pamewixuke.pdf
- http://fantasypartyentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae285370cfa---nazutoxu.pdf
- http://kiuruvedenlukio.fi/tiedostot/file/lapojenizufonat.pdf
- http://npi-management.com/ressource/site-image/files/lavifekike.pdf
- https://mvpartners.be/images/uploadedimages/file/42061980015.pdf
- http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/4320d056cdbec4d1688c8eef0ee26b4a/13844761283.pdf
- http://piazzademarini3ge.com/userfiles/files/voworopagosedanovalumilaf.pdf
- https://funkydrop.shop/wp-content/plugins/super-forms/uploads/php/files/4a3c96396e6ecb66d1a274772763b82d/lejulifeso.pdf
- https://www.darrellstuckey.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094f9fd847cb---rijuvusebej.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=real+world+linux+security+pdf
- 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_off0000fc7d.bin3bc0b2f4ab8c692111a31c0c28d534d9d6281e72b36e846ddce118154291a850 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC7D | 11060 bytes |
font_01_sfnt_off0001166e.bine8fd485ae293640d101a5bb01eeb8dc12cd74db638d9d3b3d8273eff3b921b3b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1166E | 17480 bytes |
font_02_sfnt_off000143e8.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x143E8 | 16792 bytes |
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