MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many hosted on compromised WordPress sites, suggesting a link farm designed to redirect users to potentially harmful content. The presence of embedded URLs and the nature of the heuristics point towards a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://nomylo.ru/uplcv?utm_term=eudora+emblem+set+2020 PDF link annotation
- https://www.pennlighting.com/wp-content/plugins/super-forms/uploads/php/files/37c15bae36bc076189b7a81873678b8c/lojimotowu.pdfIn PDF document text
- http://stkvn.ru/wp-content/plugins/super-forms/uploads/php/files/b7ae16dafb33f671c3c494dc4405427f/kuvokewofafegixonefib.pdfIn PDF document text
- https://www.okcfarmersmarket.com/wp-content/plugins/super-forms/uploads/php/files/d3e257f47c1d746cebe153ce39e629a5/31946114345.pdfIn PDF document text
- http://go-trec.com/wp-content/plugins/super-forms/uploads/php/files/frq9sb7l3ua4i2gn471l27du07/poripelifixetififumali.pdfIn PDF document text
- http://otelm4b.ru/admin/ckfinder/userfiles/files/zowale.pdfIn PDF document text
- http://polskienarty.pl/data/aktualnosci_imgs/file/desif.pdfIn PDF document text
- https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/1607fa0ee3898f---tisofuzojitifamaxabige.pdfIn PDF document text
- https://retentionstudentexperience.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c94edf16a9---daliwozirixakusajup.pdfIn PDF document text
- http://www.stockholmswingallstars.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609fefaf0a8c6---74085479345.pdfIn PDF document text
- http://www.magicapro.it/wp-content/plugins/formcraft/file-upload/server/content/files/160acc08ac9cb7---zetavukakixutami.pdfIn PDF document text
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/16081051aba57b---45985529983.pdfIn PDF document text
- https://www.ccps.mx/wp-content/plugins/super-forms/uploads/php/files/2c1d5b84e02726e6be4f04292045b168/13718673194.pdfIn PDF document text
- https://gaseg.com/wp-content/plugins/super-forms/uploads/php/files/68cq7pl5cf2c2cc93a7eputnpl/sikutugolumimomepes.pdfIn PDF document text
- http://www.jesuseslaroca.org/wp-content/plugins/formcraft/file-upload/server/content/files/160852fbfce517---segopaledowofuvomo.pdfIn PDF document text
- https://movesforfree.com/wp-content/plugins/super-forms/uploads/php/files/li74kbtn9sc1372r7oc92vcb83/vuvoxekidalizilesobisax.pdfIn PDF document text
- https://amagi.la/wp-content/plugins/formcraft/file-upload/server/content/files/1608807e3d1616---15970273841.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00012d9f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D9F | 5340 bytes |
SHA-256: 19f29aa7922406a13e437db4db83ee2993f9fa76d9c45aa5570a83068cc8ba46 |
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font_01_sfnt_off00013fa9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13FA9 | 11648 bytes |
SHA-256: 60c8a9624ed4951a32206c4ba90bda222a02763be3e0497c78186b8baf22fc97 |
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