MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link that redirects to malicious infrastructure, disguised as a search result for "Ms excel test questions and answers pdf". The PDF also hosts a large number of external links, many of which point to Shopify domains, suggesting a link farm for SEO manipulation. The ML classifier strongly flagged this PDF as malicious. No scripts were extracted from this sample.
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=ms+excel+test+questions+and+answers+pdf In PDF document text
- http://files.ballyadamsns.com/uploads/1/3/0/7/130775013/zosim-gifegoroxiniwo.pdfIn PDF document text
- http://files.cocreativ.net/uploads/1/3/2/6/132696249/rujibemepodinig-fifokuvo.pdfIn PDF document text
- http://files.sugarplumonline.co.uk/uploads/1/3/1/6/131637020/tesikoxogosu_giwedo_pababefo_bigibakola.pdfIn PDF document text
- http://files.welcomeneighborpa.com/uploads/1/3/1/3/131380754/fitagufisilik_wugamilotogoku_rozulikizo_dapiz.pdfIn PDF document text
- http://files.thesimplestbizforu.com/uploads/1/3/0/7/130776503/a93407b1b.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://fedorahosted.org/lohitIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0430/1789/6089/files/rawazazo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8772/4704/files/69824608304.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0447/8612/2901/files/all_amendments_in_constitution_of_pakistan.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0447/6780/5591/files/saxasomirojabonivavezi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8184/2341/files/sixitokofiw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5544/7201/files/histogram_plot_python.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4474/7929/files/administrative_coordinator_job_description.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5663/5804/files/86120549627.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1576/5153/files/il_1040_instructions.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7595/2030/files/ludoribojananepuwowipol.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00008af2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8AF2 | 5324 bytes |
SHA-256: 8eff702d0a5f60b66381a326f79e3d560ab0c7b978d12fc37d28ed79c5b67f4e |
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font_01_sfnt_off00009d2d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9D2D | 2560 bytes |
SHA-256: 4c1b7c471e02c920db2d8b1fa45f2e6b6c026aa189e2302a914306ae4a878ab1 |
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font_02_sfnt_off0000a846.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA846 | 11108 bytes |
SHA-256: d783c441c392f7ea544baa6af60ba120ea9668538efd679e1ead93e4d12a73c0 |
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font_03_sfnt_off0000ce00.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE00 | 4324 bytes |
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
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