MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many of which point to a redirector service known for malicious activity. The document body, though heavily obfuscated, contains a URL that is also present in the heuristics, indicating a deliberate attempt to lead users to malicious sites. The ML classifier also strongly indicated 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=chemistry+compound+formula+pdf
- http://monot.alwaysashleyemiko.com/uploads/1/3/2/3/132302720/e60f47e.pdf
- http://files.realfeelings.net/uploads/1/3/0/8/130873840/kovinidaza.pdf
- http://files.embodyheart.net/uploads/1/3/1/3/131381288/d40ddae3f4.pdf
- http://files.graysvarsitygreek.com/uploads/1/3/2/6/132695372/5280770.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/7731/2411/files/zakumaxonudaratudavenegu.pdf
- https://cdn.shopify.com/s/files/1/0435/4896/7063/files/38661131275.pdf
- https://cdn.shopify.com/s/files/1/0432/0028/2783/files/mimowupib.pdf
- https://cdn.shopify.com/s/files/1/0436/4759/8742/files/40089827757.pdf
- https://cdn.shopify.com/s/files/1/0437/1464/2069/files/blockchain_course_content.pdf
- https://cdn.shopify.com/s/files/1/0434/9729/1942/files/understanding_comics_chapter_2.pdf
- https://cdn.shopify.com/s/files/1/0430/5652/9565/files/kotor_2_nar_shaddaa_walkthrough.pdf
- https://cdn.shopify.com/s/files/1/0432/5883/9198/files/2174373215.pdf
- https://cdn.shopify.com/s/files/1/0433/2349/0457/files/fiketivumenuxeji.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_off0000708e.bin45df8190fc7b08a9b1a3042b223e597a5d3319942336360729d9e0088e0078b4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x708E | 5404 bytes |
font_01_sfnt_off000082ca.bina380115abc8cbb45f396b67a1346c3aa1b996c3ff0ed0ae60669cee20d32d753 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x82CA | 14804 bytes |
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