MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous external links, with a critical heuristic identifying a PDF link farm and a high heuristic flagging an image lure linking to an SEO redirector. The primary malicious URL identified is https://vilenefex.ru/123?utm_term=oriflame+catalogue+september+2019+pdf, which is likely used for phishing or malware distribution. ClamAV also detected this file as Pdf.Phishing.Trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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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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://vilenefex.ru/123?utm_term=oriflame+catalogue+september+2019+pdf PDF link annotation
- https://puwibovur.weebly.com/uploads/1/3/4/6/134639487/5810917.pdfIn PDF document text
- https://kekisadubivef.weebly.com/uploads/1/3/3/9/133986731/114c838df4a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4381547/normal_605876c8e353c.pdfIn PDF document text
- https://tixiganotirof.weebly.com/uploads/1/3/1/1/131163533/9499264.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369330/normal_6036d130049bc.pdfIn PDF document text
- https://tetavezodumop.weebly.com/uploads/1/3/4/6/134645623/7386041.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/b8559aa4-c99f-4d89-b9c6-60eb363b2a2c/lejarake.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7d4d737f-33bb-421a-92ce-049aa41b5e35/how_to_revive_a_dead_lead_acid_battery.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9d071749-db18-4925-ac61-768ba3d230f6/41082455620.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f1adcce8-ded3-416c-8990-68ff079f02c4/how_to_set_g_shock_casio_watch_time.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/995a0358-8447-4c28-9f63-9002183ab227/mesoxavuxeb.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d8d0e6a6-41db-494e-afe8-99a1acf7ce68/edexcel_igcse_chemistry_pearson_student_book_answers.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/08db120e-1a16-4fbf-b51c-9404939acd70/how_to_program_att_uverse_remote_to_panasonic_tv.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/55182ebd-704d-483a-bd74-0b1a47b76c20/a_series_of_unfortunate_events_book_3_word_count.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_off0000e31f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE31F | 6124 bytes |
SHA-256: 315d9c3432733d343cf5dd361c3718cdf3b2edad622ca82725dc3edb92faf966 |
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font_01_sfnt_off0000f7d6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7D6 | 9000 bytes |
SHA-256: 83b962c9724df07515e466640e7fea3d649a910669172684b2fcd70b30e49d5f |
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font_02_sfnt_off000109f4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109F4 | 10488 bytes |
SHA-256: e59f52dd0dcb7821171a2b44b50f17f1dd19d5d0b9274bb0d3ec3dff86539202 |
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