MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded links, with one identified as a malicious redirector. The document body, though heavily obfuscated, contains text suggesting it is a lure for 'adjectival phrases exercises with answers pdf', likely to trick users into clicking the malicious links. The ML classifier strongly indicates maliciousness, and the presence of a redirector URL points towards a phishing or malware distribution attempt.
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=adjectival+phrases+exercises+with+answers+pdf
- http://vidaxi.london-acupuncture.com/uploads/1/3/2/7/132740214/b1c0c2d4.pdf
- http://files.haltapes.com/uploads/1/3/0/7/130775504/bopidipis-xeber-punolav.pdf
- http://files.covenantasheboro.com/uploads/1/3/1/4/131453902/kifebaki-wujapefe-solijelitekok.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0433/8286/6072/files/8386881011.pdf
- https://cdn.shopify.com/s/files/1/0436/2852/7776/files/relerosoroxet.pdf
- https://cdn.shopify.com/s/files/1/0433/9482/6405/files/56211558169.pdf
- https://cdn.shopify.com/s/files/1/0429/7395/4204/files/gavorezolezudadasaxaku.pdf
- https://cdn.shopify.com/s/files/1/0434/6370/4729/files/bumunimazedavadofowefisez.pdf
- https://cdn.shopify.com/s/files/1/0431/5506/2948/files/kisikil.pdf
- https://cdn.shopify.com/s/files/1/0433/0664/7707/files/durable_power_of_attorney_nc.pdf
- https://cdn.shopify.com/s/files/1/0431/9805/4558/files/95001644915.pdf
- https://cdn.shopify.com/s/files/1/0448/4674/3709/files/48140397845.pdf
- https://cdn.shopify.com/s/files/1/0430/1645/4305/files/74577778275.pdf
- https://cdn.shopify.com/s/files/1/0432/5729/9097/files/73373623879.pdf
- https://cdn.shopify.com/s/files/1/0428/8472/6943/files/xidug.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_off00006cde.bin968ec19ec6877bfe1569dc757ceed4997f597eb9cac504c6b2f567ba0262959e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6CDE | 5528 bytes |
font_01_sfnt_off00007fc5.bin62bfc3ba336d832fa41998cf0799506973c08b9ce65c6f923f8249a3a8e23f96 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7FC5 | 10304 bytes |
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