MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm with numerous URLs pointing to other PDFs hosted on compromised websites. This structure is indicative of a phishing or malware distribution campaign, where the initial PDF serves as a lure to redirect users to malicious content. The ClamAV detection and ML classifier further support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609085ae76961---jedakaziwetibuvaxeruwuvix.pdf
- http://gayaarchi.com/userfiles/file/20210606181142.pdf
- https://miamivanservice.net/wp-content/plugins/formcraft/file-upload/server/content/files/160759708b09be---losuwum.pdf
- http://ahxxzx.com/userfiles/202104/file/39215767215.pdf
- http://mrsinternationalbeautypageant.com/clients/8/8c/8c0f0497d7166b07b5568c04be8084ca/File/lupubiga.pdf
- https://msr-hudsonproperties.com/wp-content/plugins/super-forms/uploads/php/files/aa8763bf69abf90db11fee7a9ce7262a/wipakorutexijarokezanize.pdf
- http://aptchasers.com/FCKeditor/userfiles/file/60801498877.pdf
- http://anhuifan.com/upload_fck/file/2021-6-19/20210619025529725763.pdf
- http://staging.impactredevelopment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607108174a739---gatut.pdf
- https://aimara-bg.com/userfiles/file/xuwuwesomopozikofaviwij.pdf
- https://aslimitada.com/userfiles/file/26653883800.pdf
- https://nevisnews.com/userfiles/dabivujiteli.pdf
- https://betonwerkendejonge.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1606d940053ea6---porojugokanitagufiset.pdf
- http://raykingcarroll66.com/clients/2/29/292092747e06e0ab09130fa737b110c0/File/jusebu.pdf
- http://raunlarose.us/wp-content/plugins/formcraft/file-upload/server/content/files/1607679c30cfc0---xetokonowexezaxowubudogu.pdf
- http://iideree.org/wp-content/plugins/formcraft/file-upload/server/content/files/160d00b1b9894c---56242232672.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608df004de932---66150840097.pdf
- http://fantasypartyentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160baac5eb8c7f---44127731559.pdf
- http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/160a07b788fff7---fobevavubudoteti.pdf
- https://p87.hu/files/93179666498.pdf
- http://slbreakingnews.com/ckfinder/userfiles/files/xuzigadatadakotoro.pdf
- http://alphabodysupplements.com/newerac2c/userfiles/file/lurofekoli.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=gift+of+exhortation+bible+verse
- 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_off0001074e.bin013082f2337342ba2696f0ab328bec77638ab3357b6f7d6dd2eca4ca53a2a75c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1074E | 10656 bytes |
font_01_sfnt_off00011fc2.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FC2 | 16792 bytes |
font_02_sfnt_off000137d4.bineec18c5bdf32db71ed85be41af1763c48154433ab60d52ee6de380a523d8470b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x137D4 | 16936 bytes |
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