MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, many of which point to a redirector service known for malicious activity. The document body, though heavily obfuscated, suggests a lure related to educational materials, likely to trick users into clicking the malicious links. The ML classifier strongly indicates maliciousness.
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.cc/pify?keyword=sslc+english+grammar+questions+and+answers+pdf
- http://files.greengripholds.org/uploads/1/3/1/4/131437085/tuxud-zudumejobifu.pdf
- http://files.markwarrencoleman.com/uploads/1/3/1/3/131380771/xiwuzoz_wipita_kozonabikebebin.pdf
- http://files.soilandwater.nyc/uploads/1/3/0/9/130969339/bd205cee.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0434/6963/5734/files/78271833417.pdf
- https://cdn.shopify.com/s/files/1/0431/8747/0496/files/nazotutexujunewid.pdf
- https://cdn.shopify.com/s/files/1/0429/2168/9254/files/42011745204.pdf
- https://cdn.shopify.com/s/files/1/0435/1823/0688/files/87955982598.pdf
- https://cdn.shopify.com/s/files/1/0429/5573/5203/files/dopadulujubepolematufu.pdf
- https://cdn.shopify.com/s/files/1/0431/3320/6689/files/liwuxitadoweb.pdf
- https://cdn.shopify.com/s/files/1/0431/2783/2733/files/rejajavij.pdf
- https://cdn.shopify.com/s/files/1/0431/7482/2043/files/93171997084.pdf
- https://cdn.shopify.com/s/files/1/0428/2885/7503/files/mubaxutijakilaminajekog.pdf
- https://cdn.shopify.com/s/files/1/0430/4388/1114/files/guwijigedamupawapupu.pdf
- https://cdn.shopify.com/s/files/1/0432/9147/6133/files/47951351140.pdf
- https://cdn.shopify.com/s/files/1/0428/5644/8167/files/vakus.pdf
- https://cdn.shopify.com/s/files/1/0438/7468/0987/files/wijetugawos.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000bcf9.bind830bb581a653189460c790ffa900921ec7be58e7b0a056aeb9d9239fec248ae |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBCF9 | 5772 bytes |
font_01_sfnt_off0000d06b.bin6675bf5019f60df62d91eb68dedac89cda143ccace4e75d5bd80bbc5724c10ab |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD06B | 14516 bytes |
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