MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded links, many of which point to a link farm hosted on Shopify. One of the primary links redirects to a known malicious redirector infrastructure. The document body is heavily obfuscated and contains a reference to the malicious redirector URL, suggesting an attempt to drive traffic to malicious sites.
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.ru/pify?keyword=arithmetic+mean+pdf+file In PDF document text
- http://wuworop.studiosirishop.com/uploads/1/3/0/8/130814297/tunawiramoronimowub.pdfIn PDF document text
- http://files.pommedapidaycare.com/uploads/1/3/1/4/131453615/71f8189.pdfIn PDF document text
- http://files.fisheyerecipes.com/uploads/1/3/1/6/131637136/4032323.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/1/0432/1466/7934/files/lefatoxuseputedowanu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1423/4016/files/velojezajikosuzupogefarex.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6302/5557/files/kotpal_vertebrate_zoology_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0447/4509/7365/files/algebras_de_banach.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/8697/6926/files/61135642561.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5627/5362/files/63893893986.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0443/5417/5132/files/economic_zoology_book.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/7872/8345/files/78927417091.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2707/1127/files/vepifexajewibodimipoxizo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/2204/6616/files/prefix_and_suffix_worksheets_5th_grade.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3346/7808/files/alligation_rule_in_maths.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2266/4348/files/wasetupawawiluranofo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0487/9271/files/95398061471.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/8937/7945/files/numikifufav.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_off000068a2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x68A2 | 5204 bytes |
SHA-256: 7c3802cf6accc48b05651f1ca060217cb67e471fd2ca379daf29be265fe37d64 |
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font_01_sfnt_off00007a29.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A29 | 11096 bytes |
SHA-256: 61c5f04fe2750bb1b6ae555b9f5db1892c21f0bf5786ec7ecc710c6bff0ce1d9 |
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font_02_sfnt_off0000a059.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA059 | 16112 bytes |
SHA-256: 0e9660d462f3853f214b8c809e551daf1ea655463c3a22f249c648a7021f432c |
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