MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. The document contains numerous embedded URLs, many of which point to compromised WordPress sites, suggesting a link farm designed to lead users to malicious or phishing content. While no scripts were explicitly extracted, the nature of the embedded URLs and the heuristic firings strongly suggest a phishing or redirection attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://ohligschlaeger-berger.de/wp-content/plugins/formcraft/file-upload/server/content/files/160bf09c881624---xizewuxofinazeg.pdf In PDF document text
- https://bettenbaehren.de/wp-content/plugins/formcraft/file-upload/server/content/files/16084f4690f452---zutifexip.pdfIn PDF document text
- https://asaptransfers.co.uk/wp-content/plugins/super-forms/uploads/php/files/venuodvk04v7vvhi45g5q0bc34/lijamukogojanevifepago.pdfIn PDF document text
- https://www.havanasalsa-dance-tours.com/wp-content/plugins/super-forms/uploads/php/files/a22f26cdc507c9cfe5c63005fff87356/bemogez.pdfIn PDF document text
- http://blevy.com/ckfinder/userfiles/files/fezudupoto.pdfIn PDF document text
- https://protechlighting.com/wp-content/plugins/super-forms/uploads/php/files/dbbcf24337a59ef6a53f68191de3b6b5/vovikupoziz.pdfIn PDF document text
- https://pavaniautismschools.com/wp-content/plugins/super-forms/uploads/php/files/s3he8q418m3hh7l7jtnmeefsqu/xukebe.pdfIn PDF document text
- http://www.tsssport.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a66771ae57a---66402510099.pdfIn PDF document text
- https://www.a2zmedical.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609834e45edfb---zimobamulidudigivinet.pdfIn PDF document text
- https://trimix.bg/UserFiles/File/siresobakuv.pdfIn PDF document text
- http://mdsalon.ru/img/lib/file/vuvobogomu.pdfIn PDF document text
- http://www.caslyn.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160a61fec312e0---gedokarepuxuzawabi.pdfIn PDF document text
- http://africanhairbraidingsalon.com/userfiles/file/27291072772.pdfIn PDF document text
- https://birsamundapark.in/userfiles/files/tasogodixefupurizuvaki.pdfIn PDF document text
- https://frontiersneurophotonics.org/wp-content/plugins/formcraft/file-upload/server/content/files/1/160a07dd470f8b---notexijibegu.pdfIn PDF document text
- http://www.argentum.com/wp-content/plugins/super-forms/uploads/php/files/m56o6dl8ug1hjoiijgeqmllt71/73627541894.pdfIn PDF document text
- https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a5d8358824---vomulokaxoxorub.pdfIn PDF document text
- https://amenagementsoleil.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cdaae8f211---toseji.pdfIn PDF document text
- https://daaeportrett.no/upload/file/vovotagalerededa.pdfIn PDF document text
- https://chupwo.com/editor_upload/file/voruzapa.pdfIn PDF document text
- http://wych123.com/upload/files/galofakugak.pdfIn PDF document text
- http://olimpic.hu/ckfinder/userfiles/files/nabogafalu.pdfIn PDF document text
- https://noble-worldwide.com/wp-content/plugins/super-forms/uploads/php/files/6e8f2bcf16811523f9d1d903b29e70b7/54551612766.pdfIn PDF document text
- http://latexindia.com/userfiles/file/nefurovaradej.pdfIn PDF document text
- https://laxmigrouppune.com/wp-content/plugins/super-forms/uploads/php/files/c69b66eca21e2ef74d95f898e60e2ae9/papixajokuxezabememas.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=inserting+superscript+in+wordPDF link annotation
- 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_off0000e803.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE803 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001001a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1001A | 10620 bytes |
SHA-256: 6df8e2bd7e758109e9b07c21eefcdd4f99964d4f39fc82d4595edcc30aa4ded1 |
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font_02_sfnt_off0001185e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1185E | 17584 bytes |
SHA-256: d3f392cb259efc8d0f2648a2454e5a63b4a059a7ff37daa4a44242737b06d68a |
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