MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains numerous external links, many hosted on compromised CMS uploads, suggesting a link farm or phishing lure. The ML classifier and ClamAV detection strongly indicate malicious intent. While no scripts were directly extracted, the PDF structure and embedded URLs point towards a phishing or malware distribution campaign, likely initiated via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9820
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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://catamma.ru/uplcv?utm_term=what+does+manual+muscle+testing+measure PDF link annotation
- https://globalclassic.org/wp-content/plugins/super-forms/uploads/php/files/5nc7ne40eea1tlo8t6si8fdgam/rovulukilafojavudarepu.pdfIn PDF document text
- https://fresh-cherries.com/ckfinder/userfiles/files/89551593096.pdfIn PDF document text
- http://uco-kampen.com/media/files/22086127177.pdfIn PDF document text
- http://nesemlak.com/test/images/uploads/files/24034803880.pdfIn PDF document text
- https://summit-christian-academy.net/scauserfiles/files/nifofanumerujes.pdfIn PDF document text
- http://ccswcd.com/userfiles/file/fonato.pdfIn PDF document text
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/16087f38e07cbc---35345393002.pdfIn PDF document text
- http://thehawthornnyc.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a58a143572a---pivumedoreda.pdfIn PDF document text
- https://www.limratechnologies.net/wp-content/plugins/formcraft/file-upload/server/content/files/160b5209fdbb2e---kerugaso.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086402b1cfdd---zovakitamiben.pdfIn PDF document text
- http://windcampus.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bae4764edb4---jiganujanogifik.pdfIn PDF document text
- https://metroguards.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607a551e293b7---gimefovo.pdfIn PDF document text
- http://health-bridge.in/upload/file/37930265915.pdfIn PDF document text
- http://www.loockuniformes.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/160726d28d041c---87132931571.pdfIn PDF document text
- http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/ja3l47j2j4dig803bkd94j8pu1/51871123981.pdfIn PDF document text
- http://the-bom.kr/upfile/files/8802870251.pdfIn PDF document text
- http://servis-hradec.cz/files/file/92285282301.pdfIn PDF document text
- https://www.karavanlakesfet.com/wp-content/plugins/super-forms/uploads/php/files/76215d0355982f08568268f0fbf2e892/bedigofodexobimav.pdfIn PDF document text
- https://arket.io/wp-content/plugins/super-forms/uploads/php/files/7ip2debcrjgsvud1nitc7io7v6/welilivorudoz.pdfIn PDF document text
- https://anmoul.com/userfiles/file/16104698816.pdfIn PDF document text
- http://www.smartlandgroup.com//ckfinder/userfiles/files/nojupa.pdfIn PDF document text
- https://www.costaverde.it/wp-content/plugins/formcraft/file-upload/server/content/files/16071e5608bf07---pamevasajemigikufid.pdfIn PDF document text
- https://law.myvzl.com/wp-content/plugins/super-forms/uploads/php/files/771utd7spptjjjnja9luvice03/juzugegibete.pdfIn PDF document text
- https://ateneoarbonaida.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608433e79f76d---13101001852.pdfIn PDF document text
- https://glasschneider.koeln/wp-content/plugins/super-forms/uploads/php/files/cm79k0udg25hh83umlsuu512ju/83857089870.pdfIn PDF document text
- http://astorandblack.net/emailer/userfiles/file/51329287102.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_off0001129e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1129E | 17076 bytes |
SHA-256: 606d1f88c58c93a8a6cb3505ea313175b1de84bce4e5d50c1d4ce2ed39b3e44d |
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font_01_sfnt_off00013f31.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13F31 | 10912 bytes |
SHA-256: d37f26725e665196278064422ad0bc3a02849b26047e2813f3ce6217f15dbb02 |
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font_02_sfnt_off0001580c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1580C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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