MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links, many hosted on compromised CMS platforms, suggesting a link farm designed to redirect users to malicious sites. The presence of embedded URLs and the 'link farm' heuristic strongly indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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 http://alpanelektrik.com/depo/sayfaresim/file/40823480246.pdf In PDF document text
- http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/b84ktlpc77j5hmbmhfv0t706l0/84338533227.pdfIn PDF document text
- http://cascinamana.it/userfiles/file/gidosolojikuzufilos.pdfIn PDF document text
- http://www.maoles.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609cd170c0e25---fiforutejalawinazu.pdfIn PDF document text
- https://skazkavdom.com/wp-content/plugins/super-forms/uploads/php/files/47d6cbd4a89e72893e7f3e80a11689d4/25893542958.pdfIn PDF document text
- http://tfh-filter.hu/_user/file/dudorurajakor.pdfIn PDF document text
- https://flylights.pl/wp-content/plugins/super-forms/uploads/php/files/0r582hnk4q056cc164c2iabp03/86210822205.pdfIn PDF document text
- https://www.spreefahrten-berlin.de/wp-content/plugins/super-forms/uploads/php/files/4lh89lu6bktlktm7vrfbmjh3po/muroxazafabisavisi.pdfIn PDF document text
- https://www.arc-welding.co.uk/wp-content/plugins/super-forms/uploads/php/files/kf89v3j6ib6kfshdte7eolq10i/13061499268.pdfIn PDF document text
- http://usaoxin.com/userfiles/2021-5/file/kazupuwerexotikelox.pdfIn PDF document text
- http://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a83cb55f7a7---53988347450.pdfIn PDF document text
- http://amtusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fdc88e4a2a---19179423564.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9c13f695da---21615532534.pdfIn PDF document text
- https://3dreamstudios.com/wp-content/plugins/super-forms/uploads/php/files/23450a068d1ae8c9908be09c0f47bfd1/lugizibonabozikoxokelu.pdfIn PDF document text
- https://expeditions-travel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160886af56fafb---69149449747.pdfIn PDF document text
- http://okmarin.ru/userfiles/file/10417789408.pdfIn PDF document text
- http://beastyenergy.com/userfiles/file/mewopuwib.pdfIn PDF document text
- http://rusiuojigalvoji.lt/wp-content/plugins/formcraft/file-upload/server/content/files/1608baa56c0dd2---keligenoj.pdfIn PDF document text
- http://ya-ke.cn/admin/upload/5283799223.pdfIn PDF document text
- https://quickonboarding.com/wp-content/plugins/super-forms/uploads/php/files/9a44e6b6b4f2e993f74aab5fbf479f27/25027472875.pdfIn PDF document text
- http://valleypainclinic.org/userfiles/file/51238631495.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=gerund+participle+and+infinitive+exercisesPDF 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_off0000dc95.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC95 | 10800 bytes |
SHA-256: f152510d8f26b4368425b115ad850940e29189253785528038fcd1b285649afe |
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font_01_sfnt_off0000f5a1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5A1 | 16716 bytes |
SHA-256: 3e4f1ff467359587ef3d877f0b54389d3febbbfdc0f4d451cdfda5cdd12ad24d |
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font_02_sfnt_off000120dd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x120DD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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