MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, directing users to multiple external URLs, some hosted on compromised CMS platforms. The presence of numerous links on disposable hosting and the use of UTM parameters suggest a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/161419f198c340---5155372568.pdf
- https://armagedonspedycja.pl/files/file/83286537355.pdf
- http://toszegisuli.hu/userfiles/file/72444857710.pdf
- https://psychotherapie-dr-albrecht.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613141a15246f---xusolubunitoged.pdf
- https://www.loscam.com/lib_common/ckeditor/ckfinder/userfiles/files/21979585503.pdf
- https://justforjetscatering.com/userfiles/image/files/letutozesipo.pdf
- http://newworldss.com/uploads/file/papupula.pdf
- http://marinapogon.pl/upload/file/106387412.pdf
- https://vpmemorial.net/images/file/dalinesovu.pdf
- https://nada70.org/userfiles/file/37732770919.pdf
- http://zzps.pl/userfiles/file/kamunewikakazidodiwinal.pdf
- http://www.fotografoeventimilano.com/wp-content/plugins/formcraft/file-upload/server/content/files/161415f0b9268d---gezilibaxedogimaxoniguxil.pdf
- https://www.grandiosa.is/wp-content/plugins/super-forms/uploads/php/files/n3n14jm1cttmo1e5v005sft576/rakuralusepojana.pdf
- http://nhasachthunam.com/upload/files/nudetom.pdf
- http://krevue.cz/UserFiles/File/52263104397.pdf
- http://www.peritaonline.es/ckfinder/userfiles/files/lurun.pdf
- http://mko-yug.ru/wp-content/plugins/super-forms/uploads/php/files/0128121539f2ba0a4a2e82e7dc7d2b15/9098430495.pdf
- http://cn-biyoute.com/d/files/77329724780.pdf
- https://activepymes.com/pub/file/17561643045.pdf
- https://esteticarcare.com/wp-content/plugins/super-forms/uploads/php/files/219db8bbf99e73b31f6f0c6b0da845cb/69793301833.pdf
- https://napraforgohotel.hu/upload/file/venimuradodanonakap.pdf
- http://trackeg.com/en/wp-content/plugins/formcraft/file-upload/server/content/files/1613a4e7fd541b---62775222790.pdf
- http://sabancilojistik.com/userfiles/file/zuwubebirifulugemavinupu.pdf
- https://centar-znr-zop.hr/wp-content/plugins/formcraft/file-upload/server/content/files/161359ef78b653---63938957542.pdf
- https://hrmconsulting.biz/upload/files/jejojamojevefaw.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=ios+13+launcher+for+android
- 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_off0000da58.binf7ed68159d1c0b413c4d06a53096b4177fcadbb86a19768f3387063f7361f228 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA58 | 17588 bytes |
font_01_sfnt_off00010882.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10882 | 16792 bytes |
font_02_sfnt_off00012099.bin60a6d4f2729624678b9cd63bf610a6d5bf07c8a3c6307058fd9923a088570e7c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12099 | 10752 bytes |
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