MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document contains multiple links pointing to a redirector service, which in turn leads to a large number of other PDF files hosted on Shopify. The presence of a "malicious redirector link" and a "link farm" heuristic, along with the ML classifier, strongly suggests a malicious intent to distribute further content, likely malicious itself. The document body contains a deceptive link that appears to be a download button, reinforcing the lure for users to click and download additional files.
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.cc/pify?keyword=simple+past+tense+verb+to+be+exercises+pdf In PDF document text
- http://tikin.glossopoeist.com/uploads/1/3/2/6/132681352/2554115.pdfIn PDF document text
- http://files.saugushighschoollearningcommons.org/uploads/1/3/2/3/132303238/simamo.pdfIn PDF document text
- http://files.littleboxfarm.com/uploads/1/3/2/7/132712661/4577359.pdfIn PDF document text
- http://files.artworkbydallas.com/uploads/1/3/0/7/130738607/sarojol.pdfIn PDF document text
- http://karujofur.mollyjonescello.com/uploads/1/3/1/4/131453870/9395964.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/1/0431/6764/5852/files/75068364922.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/5533/0981/files/tukaretazimudapukizu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4068/4697/files/49290433685.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/7679/4021/files/42973802176.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8351/3494/files/gaman.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4579/6512/files/office_building_design_standards.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9200/9379/files/1888057010.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2892/9960/files/satirimasimo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/0184/5659/files/bulugapegodesi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5307/2022/files/how_to_use_digital_multimeter.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3504/1685/files/89661794700.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_off00004619.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4619 | 5672 bytes |
SHA-256: 483d216cd4745692aab2c5c9bc495fe3676cf74a55fef5bbbd559e5d66fbffdd |
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font_01_sfnt_off00005947.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5947 | 9740 bytes |
SHA-256: 2d5fde46b38a873e05df3ab6cdb9d406eb18d79d5f8ac18fb635b6a7a0273744 |
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font_02_sfnt_off00007ad1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7AD1 | 16060 bytes |
SHA-256: d78d7cc1a68daa951b4fbccbcfb906d5a08ad384f187125596154666a45abe72 |
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