MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous external links, a common tactic for SEO poisoning and phishing. The heuristic 'PDF_SEO_LINK_FARM' indicates a mass of external links, and 'PDF_SEO_UTM_REDIRECTOR_LINK' points to a redirector URL. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery via the linked content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
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://seumenha.ru/wix?keyword=unit+3+worksheet+1 PDF link annotation
- https://static.s123-cdn-static.com/uploads/4446489/normal_600341f425a21.pdfIn PDF document text
- https://lanekugufer.weebly.com/uploads/1/3/5/3/135351315/jadeni_xewafoxibomi_wisawodajevu_tagemamawamuv.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4527747/normal_6019f65824f95.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4501204/normal_605c9a6dd4f67.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4385231/normal_5ffdee2cb9090.pdfIn PDF document text
- https://tuxazapewim.weebly.com/uploads/1/3/4/8/134846749/9c638ab.pdfIn PDF document text
- http://jekebes.iblogger.org/sample_essay_about_yourself.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4480728/normal_604705d234075.pdfIn PDF document text
- https://xigeworimejol.weebly.com/uploads/1/3/1/4/131483719/rubixirope.pdfIn PDF document text
- https://tukadivi.weebly.com/uploads/1/3/2/6/132695248/gugosav.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/bufipevuril/free_handwriting_practice_sheets_nz.pdfIn PDF document text
- http://pabugevekuxib.rf.gd/charles_bukowski_donne_libro.pdfIn PDF document text
- https://s3.amazonaws.com/metakibeme/wetopifijomujam.pdfIn PDF document text
- http://mogorir.epizy.com/livizumuso.pdfIn PDF document text
- https://s3.amazonaws.com/dutimajizowa/vocabulary_list_environment.pdfIn PDF document text
- http://sivojosifa.epizy.com/what_is_splitting_personality_disorder.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/379cb29a-299d-46ef-817b-7db109e000ed/the_ancient_magus_bride_chise_x_elias_lemon.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d8e32aa6-0da8-4702-bb3b-59827c6cae9f/how_big_is_daggerfall_compared_to_skyrim.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/95272794-76d2-4cf4-b4c4-056f186be951/japodubodireguza.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/46d326e8-7970-4055-8ac7-e75ad4bddfb6/canon_powershot_sx20_is_price_in_pakistan.pdfIn PDF document text
- https://s3.amazonaws.com/lemefofutomapox/acknowledgement_for_a_business_report.pdfIn PDF document text
- https://s3.amazonaws.com/marimejerebo/47277374380.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
- 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_off0000d03b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD03B | 4892 bytes |
SHA-256: 4044de6b41f29f141aaebfa77ee5344c09c2e7c4fb06bc418dd1685026956fad |
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font_01_sfnt_off0000e0ff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0FF | 10448 bytes |
SHA-256: f2cde5bc5738733870ac750faec3fd0eb920bc41176186ae74a4fd3002ba5027 |
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font_02_sfnt_off00010521.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10521 | 16204 bytes |
SHA-256: e93acd332f5893643511f4cefd38969ad5c744ad1b08842a788b6be7d277dd15 |
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