MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, many of which point to a redirector service known to host malicious content. The document body and embedded links suggest a lure to download further content, likely malware, under the guise of a worksheet. The ML classifier strongly indicates maliciousness.
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.link/wix?keyword=distance+between+parallel+lines+worksheet+pdf In PDF document text
- http://xaziduvi.jaguar50mmafitness.com/uploads/1/3/0/8/130814017/sipedokemo_bikusuz.pdfIn PDF document text
- http://moxud.uswib.com/uploads/1/3/1/3/131398504/d94bb6d1b.pdfIn PDF document text
- http://files.solarplexusbeauty.com/uploads/1/3/1/4/131452741/4180307.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/1/0433/2650/5128/files/pekuxakefeso.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/1612/4576/files/graphics_design_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0462/2771/8293/files/champakamala_song_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7127/4146/files/2128926939.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/1531/3307/files/atlanta_airport_map.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0465/8426/6919/files/the_beatles_full_album_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6409/8970/files/novemezunawo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8549/6482/files/lebedoninebipexejemilexe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0461/6912/9123/files/chudiyan_song_mp4.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3846/6471/files/rofunibawerox.pdfIn PDF document text
- https://a23ace06-9a6b-4fc7-baa3-6208dd7aa267.filesusr.com/ugd/2ac701_f7622f845f2242de8cb19c1d8eccca30.pdf?index=trueIn PDF document text
- https://acfb9882-7693-4208-aedd-11c3c1f77416.filesusr.com/ugd/31593d_2455c8edaed44d66be683d8c04b3c55a.pdf?index=trueIn PDF document text
- https://869217da-dcc2-43da-a6b8-30e3b04a8d2f.filesusr.com/ugd/e54fc7_4387a3e909bd4e0daba4a6b05e90ac9c.pdf?index=trueIn PDF document text
- https://da4bd84a-b6f6-420b-b04c-8be7bf30fedd.filesusr.com/ugd/26f730_758edcec079e438fa2eeb2173512f4d2.pdf?index=trueIn PDF document text
- https://edee2c22-466b-4b6d-9c2c-039f9a52fb2c.filesusr.com/ugd/defcb2_74be114442ac4d48ad21596ffe630fda.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000056ee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x56EE | 5328 bytes |
SHA-256: 385f800f853e7814e217fdef3f8a12f11efc53881603a5f0081df3359480472a |
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font_01_sfnt_off00006900.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6900 | 14140 bytes |
SHA-256: 2280d4e980d57446f5b58c52ccae2c8c18d8d48ddc74366d877416520b16922b |
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font_02_sfnt_off0000957a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x957A | 4324 bytes |
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
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