MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous embedded links, a technique often used to create link farms for SEO manipulation or to redirect users to malicious sites. One such link points to a known malicious redirector. The document body, though heavily obfuscated, contains text related to a '2020 tamil monthly calendar pdf download', suggesting a lure to entice users to click the malicious links.
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=2020+tamil+monthly+calendar+pdf+download In PDF document text
- http://files.baystategalvanizing.com/uploads/1/3/0/9/130969663/1108831.pdfIn PDF document text
- http://files.suzannemcnallyphotography.com/uploads/1/3/2/8/132814305/9788145.pdfIn PDF document text
- http://files.katesclosetconsignment.com/uploads/1/3/1/3/131381021/933922937fcb410.pdfIn PDF document text
- http://files.casinodealerswebsite.com/uploads/1/3/1/4/131437513/merij.pdfIn PDF document text
- http://files.qrleadershipgroup.com/uploads/1/3/2/6/132681579/temanopaxumakukexe.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/1/0431/6125/6091/files/dejenubuwujaletik.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3799/0813/files/40820626497.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/25696514874.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6212/4959/files/movamemutal.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9197/5580/files/pitifazanavuvub.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4105/4105/files/37908909026.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2325/4179/files/99572855205.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8547/1656/files/88810374084.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8065/5775/files/xavomos.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0361/7173/files/90678758268.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5410/3713/files/tavuvazuluxonozovu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6187/0746/files/74384229580.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/4926/8886/files/71683533307.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_off00006ae5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6AE5 | 5380 bytes |
SHA-256: 99adfc42963c93b392b8effdd63016feb2a64e5d6d822b54d988855235e3e7fb |
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font_01_sfnt_off00007cf9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7CF9 | 5108 bytes |
SHA-256: 060fd2b3198a7a7aaaeee7d53f809a2065d6f657c5598b11c87a7930c278b26d |
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font_02_sfnt_off00008eb1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8EB1 | 9884 bytes |
SHA-256: 6e1d672b3c5b52fcb9b345a3a0fa153192dc56a669ece4c3008d9479eb4175e9 |
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