MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, directing users to multiple compromised WordPress upload sites, likely to host and distribute further malicious content. The presence of invoice-related language suggests a phishing lure to entice users to click the malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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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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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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://amirafouad.com/uploaded_files/file/debedaputege.pdf
- https://saraelv.no/wp-content/plugins/formcraft/file-upload/server/content/files/1606c814eab8b1---fejesadiredimatevad.pdf
- http://lushexperiences.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acf27098a02---sekexutubazedera.pdf
- https://smarttactic.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a5294c4b376---42416585135.pdf
- https://luxartparquet.com/wp-content/plugins/super-forms/uploads/php/files/8b759618f6a7883a95a86e97d3f3b4fc/93177180770.pdf
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/oaqtnnv4lkpviucfkt4hba8r96/57014900912.pdf
- http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/160c06701ac9e5---90145876868.pdf
- https://nuregio.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a56f9ccf95f---golodagoba.pdf
- https://3dreamvr.com/wp-content/plugins/super-forms/uploads/php/files/5855d68b048c886cc9db0989fc1a37fc/88158157715.pdf
- https://expresstestingatl.com/wp-content/plugins/super-forms/uploads/php/files/69c023f3d6b56798d9ac7a239cd4add9/pobizimukabo.pdf
- http://argentum.com/wp-content/plugins/super-forms/uploads/php/files/kgq6pjb5l34l55qiel7qnifqi7/lijabogifanib.pdf
- http://lifemartrealestateconnect.com/wp-content/plugins/super-forms/uploads/php/files/b863cvpp4bpumel9apsfu8tah0/68729669895.pdf
- http://daindnc.com/fckeditor/userfiles/file/lowopixinatumaw.pdf
- https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609cca7278114.pdf
- http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/4smvgbv0f766bevn9s84c5pm65/38834352736.pdf
- http://andreagarciam.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607dbb13bada2---giwepaparifinuxog.pdf
- http://lotuscourtpune.com/wp-content/plugins/super-forms/uploads/php/files/m64g0oluldnfg6vsc4tnlk8qu4/83751379289.pdf
- http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/160bb1d892368b---13168787659.pdf
- https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607872457e78a---sigite.pdf
- https://www.sblending.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a07440a11b4---zurerimarabijidefusa.pdf
- http://boulderdivorcelaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c3a708e2558---dapijonuwazesinir.pdf
- http://subventionsbetrug.de/wp-content/plugins/super-forms/uploads/php/files/sndddqe4h1verugkg1k3p428gl/3109784755.pdf
- http://sammyuriasproperties.com/userfiles/files/2151703505.pdf
- https://laihouston.com/wp-content/plugins/super-forms/uploads/php/files/66f3423299909904ddfa3c2624dd8c30/92293276708.pdf
- https://chicagoportablexray.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba8ebb457b1---senelexofudexode.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=tenants+in+common+to+joint+tenants
- 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_off0000f663.bin3a22c78e9ef8c47d7d2365a060851ab4c91d10b929684d57cd970ecbe4bf1d45 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF663 | 17288 bytes |
font_01_sfnt_off000123c2.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x123C2 | 16792 bytes |
font_02_sfnt_off00013bd9.bine5e59ac03a8f9a3306df8adc5e8cc1e653ca6e83489467f15d07307ecb50e6af |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13BD9 | 10336 bytes |
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