MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as Pdf.Phishing.Trojan. The file contains numerous embedded URLs pointing to compromised WordPress sites and disposable domains, suggesting it functions as a link farm to distribute phishing content or malware. The presence of these links and the overall structure indicate an attempt to lure users to external, potentially harmful, resources.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://pistant.ru/uplcv?utm_term=iphone+answers+on+speakerphone
- https://lcd96.ru/wp-content/plugins/super-forms/uploads/php/files/84fd861725989eda767b3c50cd7d6e9e/dilosugivat.pdf
- https://f1com.ge/wp-content/plugins/super-forms/uploads/php/files/04d3e00fc5ca3154a85ef6c400af9223/86883705636.pdf
- http://pphu-joanna.pl/fckpliki/file/xuxefaxekegelapabenuv.pdf
- http://hoshitorionline.com/uploads/files/17252815258.pdf
- https://damsindia.org/admin/uploads/file/72735644740.pdf
- https://primewestelectrical.com/wp-content/plugins/super-forms/uploads/php/files/134083d13773c4911e95536ee3b664b5/74317959114.pdf
- https://binarbaidequipment.com/public_html/userfiles/file/fubogokomawatu.pdf
- https://diversified-nj.com/wp-content/plugins/super-forms/uploads/php/files/caf2d4b90ff63c652d92fea4dde61eb6/31295586557.pdf
- http://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608a287184540---rujidag.pdf
- https://laser-arena.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1607002de16f29---namarokipobi.pdf
- http://extreamtuning.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160b40b7e853e9---10271023523.pdf
- http://chothuexehochiminh.com/userfiles/file/bakafum.pdf
- https://sidexsideaudio.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c324e29415f---51471771841.pdf
- http://haphadoor.com/upload/files/76368452820.pdf
- https://fotofidelity.cz/userfiles/file/23017037531.pdf
- http://kardelendalgicpompa.com/uploadfiles/file/lodisa.pdf
- https://antoinepanau.com/wp-content/plugins/super-forms/uploads/php/files/bdf0e442ac210b40d660657461fd0eb9/davemukotenopepadisobil.pdf
- https://estigotours.com/wp-content/plugins/super-forms/uploads/php/files/c5cf14a0463624fae3e9a9d5b9dfedfe/32584447313.pdf
- http://www.gainerwindows.ca/wp-content/plugins/super-forms/uploads/php/files/l49g5saeksdehd1eep1th1ct42/fowiwedegelasetizaresu.pdf
- http://bradleyhillsapartments.com/demo/uploads/contents/file/ruxuj.pdf
- http://zhengfutz.com/v15/Upload/file/2021516211226579.pdf
- https://www.golaw.net/wp-content/plugins/formcraft/file-upload/server/content/files/160831b79b9890---zufewusoxiduselopukuwo.pdf
- http://ngocvietbungalow.com/upload/files/soxuli.pdf
- http://finsura-lifedirect.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16072ac63dab9c---63392167373.pdf
- 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_off0000ff84.bin5e84acebc292a42948625e355ef8a495c3e345b2610a94b962b4315e6b095e9f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF84 | 18068 bytes |
font_01_sfnt_off00012f2c.bin51e2e2bdc76cb26c89e09e8960bb534fdeaedfcc5d36070003e3da84b40d8220 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F2C | 10240 bytes |
font_02_sfnt_off00014632.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14632 | 16792 bytes |
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