MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
This PDF document contains a significant number of embedded links, many of which point to a link farm hosted on cdn.shopify.com. One critical heuristic identified a link to a known malicious redirector at https://ttraff.ru/pify?keyword=marksheet+number+in+icse+board. The ML classifier also strongly indicated maliciousness. The document body contains garbled text but includes the malicious URL, suggesting a lure to external content.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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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=marksheet+number+in+icse+board
- http://files.equineintelligence.co.uk/uploads/1/3/2/3/132303007/6948612.pdf
- http://files.toniaindigohughes.com/uploads/1/3/1/3/131380342/negitonomovevuv-vexizi-vejamovixek.pdf
- https://cdn.shopify.com/s/files/1/0433/5281/7832/files/somivizuvos.pdf
- https://cdn.shopify.com/s/files/1/0437/5206/3137/files/lerizokinisi.pdf
- https://cdn.shopify.com/s/files/1/0433/9249/9877/files/lidixodoweni.pdf
- https://cdn.shopify.com/s/files/1/0430/7435/5351/files/kovosugorobixi.pdf
- https://cdn.shopify.com/s/files/1/0439/0027/2792/files/whirlpool_cabrio_washing_machine_manual.pdf
- https://cdn.shopify.com/s/files/1/0433/7015/2088/files/essential_cell_biology_4th_edition_alberts.pdf
- https://cdn.shopify.com/s/files/1/0435/6158/2755/files/fundamentals_of_astrodynamics_bate.pdf
- https://cdn.shopify.com/s/files/1/0429/6369/7817/files/remebuzama.pdf
- https://cdn.shopify.com/s/files/1/0432/4065/2960/files/kupatonunojisulinimopeb.pdf
- https://cdn.shopify.com/s/files/1/0428/1162/1543/files/what_is_mm_dd_format.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005f61.bine12848d9040e098fb519b23ed133358efc6a3e31c703fc569c71ddf0383f47ab |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F61 | 5356 bytes |
font_01_sfnt_off00007163.bincf0218f1a464d03bed5c39bf38a51854d9ff75862a6a3b86cd4ac4d6d5a3591f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7163 | 10864 bytes |
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