MALICIOUS
204
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
This PDF file was flagged as malicious by multiple heuristics, including a critical finding for a link farm containing numerous external PDF links, and ML classification. The document contains an embedded URL that redirects to a suspicious domain, likely serving as a lure for phishing or malware delivery. The presence of a link farm suggests an attempt to manipulate search engine results or distribute a large number of malicious documents.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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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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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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://druttle.ru/award?keyword=aflatoxin+in+maize+pdf PDF link annotation
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://s3.amazonaws.com/dewazewokib/25940014932.pdfIn PDF document text
- https://s3.amazonaws.com/sepovutapakogaf/what_to_do_when_your_directv_remote_is_not_working.pdfIn PDF document text
- https://s3.amazonaws.com/dupula/72729741709.pdfIn PDF document text
- https://s3.amazonaws.com/sixolose/97672917770.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4cea897d-97d3-4b15-8e24-6bfdc7cc081c/noxatopewobosir.pdfIn PDF document text
- https://s3.amazonaws.com/wivunonovef/bemidoreko.pdfIn PDF document text
- https://s3.amazonaws.com/tajimipojimo/jegake.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/88e7cc08-123d-43b0-a77f-775b980a3502/how_do_you_light_the_pilot_on_a_bradford_white_defender_water_heater.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/198d760b-e00f-44f1-ba76-8ceb7593eb0e/what_is_the_value_of_a_2005_dodge_grand_caravan.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e996ce6b-e638-41c7-a3c3-28d44f0242ea/75669472806.pdfIn PDF document text
- https://b0b8c8c5-0de0-49ea-8337-0a56b8a4e65f.filesusr.com/ugd/bf9dfc_4171dc67682d4a47945d6fa1d49ea121.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/kofabube/33779734724.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/be0476f8-39d9-462d-b189-339b7bb2f6b9/city_of_the_beasts_book.pdfIn PDF document text
- https://s3.amazonaws.com/falevi/16567038267.pdfIn PDF document text
- https://s3.amazonaws.com/nunakixuma/taxif.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c3461f03-ddd1-4b2f-a612-67783f4ab9f1/apple_ipod_shuffle_charger_2nd_generation.pdfIn PDF document text
- https://s3.amazonaws.com/tarajix/kixufidusebenajijazegul.pdfIn PDF document text
- https://af30af13-e0b7-4de0-aca7-7783c01eade2.filesusr.com/ugd/9757e7_89458f5316f647dd82e346d12e4a611d.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/c788b57a-4d7b-4e6f-8bdc-de5ef2bca22c/what_are_the_last_two_lines_of_romeo_and_juliet_called.pdfIn PDF document text
- https://s3.amazonaws.com/bezorito/14536135896.pdfIn PDF document text
- https://s3.amazonaws.com/bidivo/koalas_facts_and_information.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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001053b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1053B | 4808 bytes |
SHA-256: 527a9302f2f5c81353f902dac84b4ec485ae3d5400aa653eb758834b48a84a5f |
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font_01_sfnt_off00011589.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11589 | 10676 bytes |
SHA-256: 529645128199f08a451adab69b0b01b3b4a1e0dccf18521883f41102b016cfc9 |
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font_02_sfnt_off000139df.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x139DF | 4324 bytes |
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f |
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