MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised CMS upload directories. Heuristics indicate it functions as a link farm, directing users to potentially malicious content. ClamAV detection and ML classification confirm its malicious nature, likely as a phishing or malware distribution vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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 https://finestblogger.de/wp-content/plugins/super-forms/uploads/php/files/2k6ih49btc250elpi05c29kks1/bobikafalegivaroponeluta.pdf
- http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c99e958d20c---lediwitibu.pdf
- http://zartmobilia.com/userfiles/file/20210525032520.pdf
- https://bompentax.com/quangbasanpham/app/webroot/upload/image/files/59339855530.pdf
- https://dermo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abc80dc9a94---mokiv.pdf
- https://www.sahabatkeluargahomecare.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b49e0545bf---94193954645.pdf
- https://cdmsig.com/ckfinder/userfiles/files/18583025535.pdf
- https://al-farh-iq.com/upload/userfiles/file/42950987580.pdf
- https://www.energetisch-therapeut-estie.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607b9edb25a25---baler.pdf
- https://bindazzled.com.au/wp-content/plugins/super-forms/uploads/php/files/af915f3573f1b53f8770ae239318a609/85062881121.pdf
- https://ludifrance.fr/userfiles/file/77614925913.pdf
- https://howardsteeves.com/wp-content/plugins/super-forms/uploads/php/files/41d5ea7229d40587a9ceb46dbaf8af19/gezagutodogolapubow.pdf
- https://earthideasawnings.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609286ecee257---84620268861.pdf
- https://cardion.dk/gfx/fckimages/file/tulej.pdf
- https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/e65ad4f3f749dc53179c9f7d8ac9d44f/2341000967.pdf
- http://bjaimama.com/data/upload/2021/05/file/202105100406575973.pdf
- https://betenenergy.com/sites/default/files/file/levimewigupamofojijoxawip.pdf
- https://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082d85848d5b---15416424301.pdf
- https://www.golaw.net/wp-content/plugins/formcraft/file-upload/server/content/files/160ab23012377c---90437240252.pdf
- http://syuncyoku.jp/upload/file/pazasas.pdf
- https://funkydrop.shop/wp-content/plugins/super-forms/uploads/php/files/76dcea4667e10be336711a54e663ef00/bavanij.pdf
- http://muzeumostrowiec.pl/obrazy/file/47601617072.pdf
- https://chicagoportablexray.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608bb73b95220---zufoxutizuluxikodepadage.pdf
- https://outsourcedbackoffice.co.uk/wp-content/plugins/super-forms/uploads/php/files/666e8bf953cc5e316e470828dedcdefb/33311586004.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=definition+of+stoma+in+biology
- 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_off0000e3d8.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3D8 | 16792 bytes |
font_01_sfnt_off0000fbea.bin32a885e89d2fc9d479a15c57e7477c0a9d437b6feef074aa8760481fb693b7dc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBEA | 17264 bytes |
font_02_sfnt_off00012905.bincf80964bd0a17d75ee8c86c1f919420643ceec519443dcb4ec22f488fbb1d981 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12905 | 10712 bytes |
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