MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, directing users to multiple compromised WordPress sites, likely for phishing or malware distribution. The presence of numerous external URIs and link farm heuristics strongly suggests a phishing or scamming operation.
Machine Learning
- Nyx PDF Classifier malicious score 0.9913
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://philabc.ru/uplcv?utm_term=tesis+administrasi+pendidikan+kuantitatif+pdf PDF link annotation
- https://gservicepz.com/wp-content/plugins/super-forms/uploads/php/files/a54b108d0e63b064c39d69b12d911aed/24888821927.pdfIn PDF document text
- https://sabagdasarov.ru/upload/file/79159227103.pdfIn PDF document text
- http://baanpowertrain.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f2659ac812---xevakoxufanobaxafijoxesu.pdfIn PDF document text
- http://stroynerud-sm.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16130c7ce164ff---87690024259.pdfIn PDF document text
- https://yuktiedu.com/wp-content/plugins/super-forms/uploads/php/files/e8816fcc0c090a36140048a29bd69cf7/72214664275.pdfIn PDF document text
- https://stalbeckers.nl/userfiles/image/file/zuxajotatawikanofedaton.pdfIn PDF document text
- https://cald-lighting.com/wp-content/plugins/super-forms/uploads/php/files/4004df7acf01738c6c795058a767a70d/nixulelipinimo.pdfIn PDF document text
- https://bleikss.com/userfiles/file/xoreviwuzoxezatezutodi.pdfIn PDF document text
- http://tourbusan.net/FileData/ckfinder/files/20210726_970A48F3CA16692F.pdfIn PDF document text
- https://sport-jicin.cz/dokumenty/zufefoxekuxonaravu.pdfIn PDF document text
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609dc9c0f0c7c---45681656780.pdfIn PDF document text
- https://ytdrive.com/CKEdit/upload/files/51240553223.pdfIn PDF document text
- http://hzdsbg.com/uploadfile/1627271381.pdfIn PDF document text
- https://fceresources.com/ckfinder/userfiles/files/givafode.pdfIn PDF document text
- http://karinameal.com/imgdish/files/14620666008.pdfIn PDF document text
- https://chicagoportablexray.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b226302de97---35105650035.pdfIn PDF document text
- http://ascensionchina.com/userfiles/file/suravodenadub.pdfIn PDF document text
- https://areshin.ru/wp-content/plugins/super-forms/uploads/php/files/389fc56af1799646227804889b7a3842/tesebepebusivodi.pdfIn PDF document text
- http://architettoseneca.com/userfiles/files/59487377046.pdfIn PDF document text
- http://novussiteyonetimi.com/uploads/file/daxatuz.pdfIn PDF document text
- https://aadhaarretail.com/administrator/imagetemp/file/8535423371.pdfIn PDF document text
- http://domeinbeverdonk.be/assets/files/file/85680231928.pdfIn PDF document text
- https://serpavenger.com/ckfinder/userfiles/files/witosejok.pdfIn PDF document text
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/10354b60af5b1389346bb46f204bfd4e/7024705593.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001bd42.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1BD42 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001d559.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1D559 | 10648 bytes |
SHA-256: 40818719595b94fa7f798078e9eb1023b7c671488e893e35f1f287d33c11a871 |
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font_02_sfnt_off0001edb6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1EDB6 | 17096 bytes |
SHA-256: 9025aa741238d1d23f729a3df46a4a2a9f812c10137a698b65fbbb9db4449e16 |
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