MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.001 Malicious Link
T1059.001 PowerShell
The PDF contains a large number of embedded links, many of which point to a link farm hosted on cdn.shopify.com. One critical heuristic indicates a malicious redirector link to ttraff.com, which is likely used to funnel users to malicious sites. The document body contains garbled text but includes the target URL, suggesting a lure related to 'appsc group 2 previous papers'. No scripts were extracted, but the PDF structure and link farm indicate a delivery mechanism for potentially malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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.com/pify?keyword=appsc+group+2+previous+papers+with+answers+in+telugu+pdf In PDF document text
- http://files.genevasurgicalsuites.com/uploads/1/3/1/4/131454098/31c98.pdfIn PDF document text
- http://files.cdprogram.net/uploads/1/3/1/8/131856519/derumewupudekaxojigu.pdfIn PDF document text
- http://files.flipconsultants.com/uploads/1/3/1/6/131636988/9bae14aee0b5cc1.pdfIn PDF document text
- http://files.alexander-arch.com/uploads/1/3/1/4/131437457/1741205.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
- https://cdn.shopify.com/s/files/1/0428/2338/5247/files/71136860840.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6209/1167/files/arthur_miller_a_view_from_the_bridge.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4609/2443/files/71850035399.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1760/1181/files/86392449221.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/8311/8232/files/22071675307.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/4618/3847/files/85609794849.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7916/3285/files/bowaziruzunomafof.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0960/5791/files/18780959651.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4372/4186/files/nesibifepotukegobokemub.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9164/8929/files/65111135342.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8801/1673/files/17912878701.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/4746/1788/files/tabajidejolitobuvazogos.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7261/8657/files/arch_linux_pulseaudio.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_off0000652e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x652E | 5688 bytes |
SHA-256: 72de0c9d7c189a25ff67cbe42d431e3ab00d58677bac44a2d18571348deda8c4 |
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font_01_sfnt_off0000789b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x789B | 12040 bytes |
SHA-256: 46bc6808ea2858f24d09482a7e4f131beca126f43e5d41493aef9009d1c8ff19 |
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font_02_sfnt_off0000977b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x977B | 10180 bytes |
SHA-256: d1ad8dc0b55c1c3f449b1e3640432eef20e8b3306e6fa483e2a749b9250f32a4 |
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