MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link farm and a specific malicious redirector URL, indicating a phishing or malware distribution attempt. The document body, though heavily obfuscated, contains the text 'Ielts speaking part 3 questions with answers pdf' and the malicious URL, suggesting a lure to trick users into clicking. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK directly identifies the malicious redirector infrastructure.
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.cc/pify?keyword=ielts+speaking+part+3+questions+with+answers+pdf In PDF document text
- http://files.bustihistoricalsociety.com/uploads/1/3/1/6/131606727/fdd63.pdfIn PDF document text
- http://files.wepintheglobe.com/uploads/1/3/1/1/131163540/papijigiron.pdfIn PDF document text
- http://files.chathletics.org/uploads/1/3/1/8/131856173/wozut.pdfIn PDF document text
- http://files.mydetecting.com/uploads/1/3/1/6/131607169/xunefoze-jobifizer-pijuk.pdfIn PDF document text
- http://files.themxersfactory.com/uploads/1/3/1/3/131398109/naxoranixeri-runupojam-vigiwivaxeputal-rabuwusimiwuvod.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3352/5400/files/numafajogevoregivosofevot.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1604/5222/files/goxaledegoke.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2641/4748/files/sejoj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0067/6001/files/wonidajerovewerewiru.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1593/7948/files/sue_bryce_posing_guide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9812/1119/files/zunorozisodozazox.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3241/2311/files/50153690250.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8981/3909/files/tifonapefisumubesafoj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9805/4558/files/viwinirarixokulenawofiz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6332/9446/files/guia_completa_de_calistenia_y_street_workout.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5824/9380/files/10107208194.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7759/9383/files/jingle_bell_rock_chords.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_off000067d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x67D3 | 5684 bytes |
SHA-256: 40f280332206dcccbaafc564ce8c6ea525f911ff946a0a111dece97f304ffe13 |
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font_01_sfnt_off00007b38.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7B38 | 10284 bytes |
SHA-256: 29db0e16857ec360b83080471f94e3e35328f99e25c7ea442b1af588244e8687 |
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font_02_sfnt_off00009ea8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9EA8 | 16068 bytes |
SHA-256: 5d72d630640305d452d914085fd6c65e0d8125198bed8028c282d44fd0327be8 |
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