MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF document contains a link farm with numerous URLs pointing to compromised WordPress sites, indicating a phishing or malware distribution attempt. ClamAV detection and ML classification confirm its malicious nature. The primary attack pattern involves luring users to external, compromised resources.
Machine Learning
- Nyx PDF Classifier malicious score 0.9849
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://polinagerz.ru/wp-content/plugins/super-forms/uploads/php/files/rga5d1fshmjcm23l0rg46vih74/80185287059.pdf
- https://chamsocmuihong.com/wp-content/plugins/super-forms/uploads/php/files/oot9tins659275il4bqc0uq5fn/godilokojavirixe.pdf
- https://freedomhypnosisnyc.com/wp-content/plugins/super-forms/uploads/php/files/ab786f908ea5b44b14bf115333b91843/20029850904.pdf
- http://www.vivelamusica.es/wp-content/plugins/formcraft/file-upload/server/content/files/160a4046c6810c---dojekimixamavowugo.pdf
- https://rebates.forex/wp-content/plugins/super-forms/uploads/php/files/c9drqked84c2uk61digtb3hou1/59538869010.pdf
- http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/02e21da3db72b377e2a5228430900f44/titujexewojan.pdf
- http://chipmax.in/chipmax/ckfinder/userfiles/files/jesatelopewab.pdf
- https://beribuket.ru/wp-content/plugins/super-forms/uploads/php/files/b29c5f56b4686ff1ecbe9b20f311d577/89291802923.pdf
- http://kleinschaden.expert/userfiles/file/velisomiwiveki.pdf
- https://www.ptlittleflower.org/wp-content/plugins/super-forms/uploads/php/files/jbk12d9n0s114njuhdusef60e2/xowapomutapofaluwurodirir.pdf
- http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608798e798be7---muxulezupiwixal.pdf
- http://grani-tonkogo-mira.ru/wp-content/plugins/super-forms/uploads/php/files/8c5b9e297ca7e9557f3ceef583884adf/madepunako.pdf
- http://leap-egypt.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ced705aa379---5672191490.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083bea3c9c24---37302918961.pdf
- https://gulertrafik.com/wp-content/plugins/super-forms/uploads/php/files/5dnpovlbvvt8d6r97kvhhhllcr/nenikamirefivilakido.pdf
- https://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16080cc2f36b7a---40977077861.pdf
- https://promocionesnma.com/wp-content/plugins/super-forms/uploads/php/files/691aba0ed0ee4a3a7602152d093b47b9/mesesejifawalosokodutib.pdf
- https://bda.ch/ckfinder/userfiles/files/41732124283.pdf
- http://zjqzzx.com/uploadfile/file/2021062214445673499.pdf
- https://directprocessors.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087f76662364---6291535771.pdf
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4bdcaa5694---bikelivaresibaz.pdf
- http://auxerretv.com/content/public/file/vogud.pdf
- http://foire-fromages-et-vins.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092d653f1d63---12006631721.pdf
- https://aduanaldelvalle.com/userfiles/file/5192212618.pdf
- http://aaexpansionjoint.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608974d1b4576---36427419189.pdf
- https://law.myvzl.com/wp-content/plugins/super-forms/uploads/php/files/u37klsfeqhagbrh55a9a9h2vfj/sivivajosagidaladiba.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=us+thanksgiving+day
- 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_off0000c202.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC202 | 16792 bytes |
font_01_sfnt_off0000da14.bin04eba1b109524187a2ccc109c08325898fc6f2d06417034517a0d3dfdf6f1826 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA14 | 15828 bytes |
font_02_sfnt_off000102da.bin457fbbccec48b4f010b39452515bfa4beb85e6073facc9d4bbd48882d3732958 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102DA | 10408 bytes |
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