MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a significant number of embedded links, with one identified as a known malicious redirector. The ML classifier also flagged this PDF with high confidence. The presence of a link farm suggests an attempt to manipulate search engine results or distribute malicious content. The document body contains obfuscated text and references to 'The infernal devices', which may be a lure.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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://ttraff.ru/pify?keyword=the+infernal+devices In PDF document text
- http://zomudopu.abteendrivingacademy.com/uploads/1/3/1/4/131482853/02498092b.pdfIn PDF document text
- http://files.lodgefarmleisure.com/uploads/1/3/0/7/130739919/dutiduni.pdfIn PDF document text
- http://files.christchurchbabylon.org/uploads/1/3/0/7/130776069/novisoxixok.pdfIn PDF document text
- http://files.support4sdrwales.org.uk/uploads/1/3/1/4/131409526/relafe.pdfIn PDF document text
- http://zibujen.lakeodessaarts.com/uploads/1/3/1/4/131454215/tosivepekivo.pdfIn PDF document text
- 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://cdn.shopify.com/s/files/1/0461/6500/0344/files/formation_windev_mobile.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2556/1757/files/larolewidikoxevafutivegix.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1456/9632/files/kowizowojodoxizitubaxana.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0462/1854/3258/files/devexpress_report_designer_add_table.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/1288/0541/files/lelibumobe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8984/5671/files/here_i_am_to_worship_guitar_chords.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7066/0508/files/46569627069.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9587/5989/files/jibozoxok.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2318/7614/files/newom.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7677/2250/files/tukoviwezusepiluzop.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4610/9345/files/38597919685.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9050/2042/files/transformers_rescue_bots_season_4_episode_26.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0445/6900/2143/files/ky_lake_fishing_reports.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_off0000881d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x881D | 4716 bytes |
SHA-256: 2f02186847cf88efbf9a2b71efd5a6affbb173e180e3c8fe8ffc2129b453374d |
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font_01_sfnt_off00009806.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9806 | 10076 bytes |
SHA-256: c1311a3d372fd711e04e1d80cbb76ad77484b1d895620e6091458bd8fa7d190d |
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font_02_sfnt_off0000ba7a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBA7A | 4324 bytes |
SHA-256: 7f6049e5011acf0e8581793f2bc2bb947aac2929fdb77abc318b2a6155c1ef71 |
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