MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file exhibits characteristics of a phishing lure, specifically an SEO link farm designed to redirect users to potentially malicious websites. The presence of numerous external links, including one pointing to a redirector with UTM parameters, strongly suggests an attempt to drive traffic to spam or phishing content. The ML classifier and ClamAV detection further corroborate its malicious nature, indicating it's likely a phishing or trojanized document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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://jumiwimov.ru/strik?utm_term=ocr+french+vocabulary+list+pdf PDF link annotation
- https://cdn.sqhk.co/letaziseb/YhcbAic/vemaximesepuzamu.pdfIn PDF document text
- http://tokesuditetu.getenjoyment.net/mejaguf.pdfIn PDF document text
- https://cdn.sqhk.co/kawonidoza/TidMRgj/22894056748.pdfIn PDF document text
- http://zonizubiro.getenjoyment.net/tuesday_with_morrie_movie_online_free.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/muwemivumazulax/how_to_reset_hp_stream_11_to_factory_settings.pdfIn PDF document text
- https://s3.amazonaws.com/xupizewuxere/59731424066.pdfIn PDF document text
- http://wawikoduvebakap.onlinewebshop.net/53199786360.pdfIn PDF document text
- https://8ac5c8e1-9174-427d-95c2-90bebb9f105a.filesusr.com/ugd/44b221_5b90a34d38d54cdcb87f5ba3748d2797.pdf?index=trueIn PDF document text
- https://018ae6bf-5b6e-4bf7-bb5f-89503284f855.filesusr.com/ugd/b7931c_116f9cf103384450b42de289b9f08f48.pdf?index=trueIn PDF document text
- https://61df3396-90b5-4b69-a3ae-475c9da6ebc5.filesusr.com/ugd/516574_84defe2d8ea54eb6a670b4414333b98c.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/gupawupigawono/fagomumugukuxamomujam.pdfIn PDF document text
- https://s3.amazonaws.com/sikuva/liwipakukis.pdfIn PDF document text
- https://s3.amazonaws.com/nagudo/aashto_asphalt_mix_design.pdfIn PDF document text
- https://s3.amazonaws.com/libosokune/topuga.pdfIn PDF document text
- https://s3.amazonaws.com/visagogijulep/bakuvusigirinamezim.pdfIn PDF document text
- http://rixibedi.onlinewebshop.net/issuu_books_free_download.pdfIn PDF document text
- http://kuxubakelixuzot.atwebpages.com/degree_of_freedom_mechanics_examples.pdfIn PDF document text
- http://leparitupoxow.onlinewebshop.net/dibujos_para_colorear_cartoon_network.pdfIn PDF document text
- https://s3.amazonaws.com/zoromexemuzid/celtic_garamond_pro_rough_font_free.pdfIn PDF document text
- https://3df06c22-1e8a-4082-8cc2-a0fdc0609706.filesusr.com/ugd/d86e81_e1293e232afc4183b170a1352b0f7e45.pdf?index=trueIn 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_off0000d97b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD97B | 5572 bytes |
SHA-256: cdfd681f710fb4ea3328108d7d5d989ea9ab0ef4c4cdf154b3c94d96d06f35dc |
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font_01_sfnt_off0000ec69.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC69 | 11132 bytes |
SHA-256: 21cba139d79dc3017941bbeeb0c9d5c914aac4172e44f83111f4ee65a20f74b1 |
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