MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, contains text related to 'quartz pdfcontext mac download', suggesting a lure for software or a related service. The primary attack pattern involves redirecting users to malicious infrastructure via a link farm.
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=quartz+pdfcontext+mac+download In PDF document text
- http://files.lifted-queens.com/uploads/1/3/1/8/131856195/2817029.pdfIn PDF document text
- http://files.enseaadvisory.com/uploads/1/3/0/7/130775402/3b39e35c8c2e64.pdfIn PDF document text
- http://files.davero.ca/uploads/1/3/1/4/131414134/genex_laditu_doviroxadek_rutujidovale.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/1/0430/0944/1953/files/bikogupixusumaze.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7536/1178/files/72210268074.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/5565/0718/files/14485327907.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8080/9625/files/15912696290.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3690/0504/files/voragefadupiwo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/5955/8053/files/44936767636.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8030/3270/files/66015701437.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3387/8940/files/zalewasizi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8054/0575/files/defulavometadipom.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5879/7471/files/dogumusiro.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6450/0122/files/38104304238.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2990/5058/files/65344200330.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6667/1782/files/25332438063.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000a855.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA855 | 7616 bytes |
SHA-256: faa122f881734f1b40eec05a82834f66015a97c309aa68243a8c60caa0729fdc |
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font_01_sfnt_off0000c1ee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC1EE | 5228 bytes |
SHA-256: 291275f7531143ab881dff8f491edb5be81b96ed7415c3d7ca15a749e20a9402 |
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font_02_sfnt_off0000d3bf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD3BF | 15288 bytes |
SHA-256: e56c65d4ca9bb82fdb66a2a669f6ffd9e04bcd64e4802822780e2402421661a1 |
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font_03_sfnt_off00010296.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10296 | 16036 bytes |
SHA-256: 149cab45689013e99d1aa520d2e5234663aa5d8577b6aae5e423b5d60aeda4c1 |
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